Linux v4.16.7
This commit is contained in:
Jeremy Cline
parent
1491bff759
commit
2774e94b66
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@ -1,27 +0,0 @@
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From 991b5e95d4fe7778c8f5e7d7f478d01134d51ca7 Mon Sep 17 00:00:00 2001
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From: Laura Abbott <labbott@redhat.com>
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Date: Wed, 14 Mar 2018 14:20:02 -0700
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Subject: [PATCH] Temporarily work around gcc aliasing warning/error
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Signed-off-by: Laura Abbott <labbott@redhat.com>
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---
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tools/lib/str_error_r.c | 3 ++-
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1 file changed, 2 insertions(+), 1 deletion(-)
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diff --git a/tools/lib/str_error_r.c b/tools/lib/str_error_r.c
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index d6d65537b0d9..c0ede4f6adae 100644
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--- a/tools/lib/str_error_r.c
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+++ b/tools/lib/str_error_r.c
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@@ -21,7 +21,8 @@
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char *str_error_r(int errnum, char *buf, size_t buflen)
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{
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int err = strerror_r(errnum, buf, buflen);
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+ void *temp = buf;
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if (err)
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- snprintf(buf, buflen, "INTERNAL ERROR: strerror_r(%d, %p, %zd)=%d", errnum, buf, buflen, err);
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+ snprintf(buf, buflen, "INTERNAL ERROR: strerror_r(%d, %p, %zd)=%d", errnum, temp, buflen, err);
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return buf;
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}
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--
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2.16.2
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@ -1,120 +1,7 @@
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From 4b97692c181f44717a5cf940fe1e6451c974f4b4 Mon Sep 17 00:00:00 2001
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From 5744a0927df22f46e4b7f134b3dfb405fdfcf6ce Mon Sep 17 00:00:00 2001
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From: Jeremy Cline <jeremy@jcline.org>
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Date: Tue, 1 May 2018 18:52:14 -0400
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Subject: [PATCH 1/4] Revert "random: add new ioctl RNDRESEEDCRNG"
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This reverts commit e21e58679d3e9db0258106ffd3c8db76e66c5e6e.
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Signed-off-by: Jeremy Cline <jeremy@jcline.org>
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---
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drivers/char/random.c | 13 +------------
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include/uapi/linux/random.h | 3 ---
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2 files changed, 1 insertion(+), 15 deletions(-)
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diff --git a/drivers/char/random.c b/drivers/char/random.c
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index 38729baed6ee..b3571a1c5fb7 100644
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--- a/drivers/char/random.c
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+++ b/drivers/char/random.c
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@@ -429,7 +429,6 @@ struct crng_state primary_crng = {
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static int crng_init = 0;
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#define crng_ready() (likely(crng_init > 1))
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static int crng_init_cnt = 0;
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-static unsigned long crng_global_init_time = 0;
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#define CRNG_INIT_CNT_THRESH (2*CHACHA20_KEY_SIZE)
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static void _extract_crng(struct crng_state *crng,
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__u32 out[CHACHA20_BLOCK_WORDS]);
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@@ -906,8 +905,7 @@ static void _extract_crng(struct crng_state *crng,
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unsigned long v, flags;
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if (crng_ready() &&
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- (time_after(crng_global_init_time, crng->init_time) ||
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- time_after(jiffies, crng->init_time + CRNG_RESEED_INTERVAL)))
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+ time_after(jiffies, crng->init_time + CRNG_RESEED_INTERVAL))
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crng_reseed(crng, crng == &primary_crng ? &input_pool : NULL);
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spin_lock_irqsave(&crng->lock, flags);
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if (arch_get_random_long(&v))
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@@ -1740,7 +1738,6 @@ static int rand_initialize(void)
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init_std_data(&input_pool);
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init_std_data(&blocking_pool);
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crng_initialize(&primary_crng);
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- crng_global_init_time = jiffies;
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#ifdef CONFIG_NUMA
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pool = kcalloc(nr_node_ids, sizeof(*pool), GFP_KERNEL|__GFP_NOFAIL);
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@@ -1927,14 +1924,6 @@ static long random_ioctl(struct file *f, unsigned int cmd, unsigned long arg)
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input_pool.entropy_count = 0;
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blocking_pool.entropy_count = 0;
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return 0;
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- case RNDRESEEDCRNG:
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- if (!capable(CAP_SYS_ADMIN))
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- return -EPERM;
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- if (crng_init < 2)
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- return -ENODATA;
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- crng_reseed(&primary_crng, NULL);
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- crng_global_init_time = jiffies - 1;
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- return 0;
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default:
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return -EINVAL;
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}
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diff --git a/include/uapi/linux/random.h b/include/uapi/linux/random.h
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index 26ee91300e3e..c34f4490d025 100644
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--- a/include/uapi/linux/random.h
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+++ b/include/uapi/linux/random.h
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@@ -35,9 +35,6 @@
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/* Clear the entropy pool and associated counters. (Superuser only.) */
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#define RNDCLEARPOOL _IO( 'R', 0x06 )
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-/* Reseed CRNG. (Superuser only.) */
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-#define RNDRESEEDCRNG _IO( 'R', 0x07 )
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-
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struct rand_pool_info {
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int entropy_count;
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int buf_size;
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--
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2.17.0
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From 5084e3e3af02cdc4e247e66561215b6b06ccffc8 Mon Sep 17 00:00:00 2001
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From: Jeremy Cline <jeremy@jcline.org>
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Date: Tue, 1 May 2018 18:52:17 -0400
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Subject: [PATCH 2/4] Revert "random: crng_reseed() should lock the crng
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instance that it is modifying"
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This reverts commit 6efa23d5851f1702a3cddbdde63607ea6588b665.
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Signed-off-by: Jeremy Cline <jeremy@jcline.org>
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---
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drivers/char/random.c | 4 ++--
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1 file changed, 2 insertions(+), 2 deletions(-)
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diff --git a/drivers/char/random.c b/drivers/char/random.c
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index b3571a1c5fb7..fda8214543cc 100644
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--- a/drivers/char/random.c
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+++ b/drivers/char/random.c
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@@ -879,7 +879,7 @@ static void crng_reseed(struct crng_state *crng, struct entropy_store *r)
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_crng_backtrack_protect(&primary_crng, buf.block,
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CHACHA20_KEY_SIZE);
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}
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- spin_lock_irqsave(&crng->lock, flags);
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+ spin_lock_irqsave(&primary_crng.lock, flags);
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for (i = 0; i < 8; i++) {
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unsigned long rv;
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if (!arch_get_random_seed_long(&rv) &&
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@@ -889,7 +889,7 @@ static void crng_reseed(struct crng_state *crng, struct entropy_store *r)
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}
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memzero_explicit(&buf, sizeof(buf));
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crng->init_time = jiffies;
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- spin_unlock_irqrestore(&crng->lock, flags);
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+ spin_unlock_irqrestore(&primary_crng.lock, flags);
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if (crng == &primary_crng && crng_init < 2) {
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invalidate_batched_entropy();
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crng_init = 2;
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--
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2.17.0
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From f3035506194216b5220be6fd8a2c5666412978a0 Mon Sep 17 00:00:00 2001
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From: Jeremy Cline <jeremy@jcline.org>
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Date: Tue, 1 May 2018 18:52:19 -0400
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Subject: [PATCH 3/4] Revert "random: use a different mixing algorithm for
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Date: Wed, 2 May 2018 15:16:29 -0400
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Subject: [PATCH 1/2] Revert "random: use a different mixing algorithm for
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add_device_randomness()"
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This reverts commit 89b59f050347d376c2ace8b1ceb908a218cfdc2e.
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@ -125,12 +12,12 @@ Signed-off-by: Jeremy Cline <jeremy@jcline.org>
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1 file changed, 4 insertions(+), 51 deletions(-)
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diff --git a/drivers/char/random.c b/drivers/char/random.c
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index fda8214543cc..d0b2f89e9c6e 100644
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index 8f4e11842c60..aa5b04af86c6 100644
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--- a/drivers/char/random.c
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+++ b/drivers/char/random.c
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@@ -786,10 +786,6 @@ static void crng_initialize(struct crng_state *crng)
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crng->init_time = jiffies - CRNG_RESEED_INTERVAL - 1;
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}
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@@ -831,10 +831,6 @@ static void numa_crng_init(void)
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static void numa_crng_init(void) {}
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#endif
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-/*
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- * crng_fast_load() can be called by code in the interrupt service
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@ -139,7 +26,7 @@ index fda8214543cc..d0b2f89e9c6e 100644
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static int crng_fast_load(const char *cp, size_t len)
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{
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unsigned long flags;
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@@ -816,51 +812,6 @@ static int crng_fast_load(const char *cp, size_t len)
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@@ -861,51 +857,6 @@ static int crng_fast_load(const char *cp, size_t len)
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return 1;
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}
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@ -191,7 +78,7 @@ index fda8214543cc..d0b2f89e9c6e 100644
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static void crng_reseed(struct crng_state *crng, struct entropy_store *r)
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{
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unsigned long flags;
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@@ -1030,8 +981,10 @@ void add_device_randomness(const void *buf, unsigned int size)
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@@ -1089,8 +1040,10 @@ void add_device_randomness(const void *buf, unsigned int size)
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unsigned long time = random_get_entropy() ^ jiffies;
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unsigned long flags;
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@ -207,10 +94,10 @@ index fda8214543cc..d0b2f89e9c6e 100644
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--
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2.17.0
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From fc6be05c0f6503dab8e2c5c69cafda38d9d9417a Mon Sep 17 00:00:00 2001
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From e1b1b5b62740b0e6ea8258a4eb81b2a336538fed Mon Sep 17 00:00:00 2001
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From: Jeremy Cline <jeremy@jcline.org>
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Date: Tue, 1 May 2018 18:52:20 -0400
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Subject: [PATCH 4/4] Revert "random: fix crng_ready() test"
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Date: Wed, 2 May 2018 15:18:03 -0400
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Subject: [PATCH 2/2] Revert "random: fix crng_ready() test"
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This reverts commit cd8d7a5778a4abf76ee8fe8f1bfcf78976029f8d.
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@ -220,19 +107,19 @@ Signed-off-by: Jeremy Cline <jeremy@jcline.org>
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1 file changed, 5 insertions(+), 5 deletions(-)
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diff --git a/drivers/char/random.c b/drivers/char/random.c
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index d0b2f89e9c6e..11c23ca57430 100644
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index aa5b04af86c6..ef05cc685b74 100644
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--- a/drivers/char/random.c
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+++ b/drivers/char/random.c
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@@ -427,7 +427,7 @@ struct crng_state primary_crng = {
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@@ -428,7 +428,7 @@ struct crng_state primary_crng = {
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* its value (from 0->1->2).
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*/
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static int crng_init = 0;
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-#define crng_ready() (likely(crng_init > 1))
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+#define crng_ready() (likely(crng_init > 0))
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static int crng_init_cnt = 0;
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static unsigned long crng_global_init_time = 0;
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#define CRNG_INIT_CNT_THRESH (2*CHACHA20_KEY_SIZE)
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static void _extract_crng(struct crng_state *crng,
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@@ -793,7 +793,7 @@ static int crng_fast_load(const char *cp, size_t len)
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@@ -838,7 +838,7 @@ static int crng_fast_load(const char *cp, size_t len)
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if (!spin_trylock_irqsave(&primary_crng.lock, flags))
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return 0;
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@ -241,16 +128,16 @@ index d0b2f89e9c6e..11c23ca57430 100644
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spin_unlock_irqrestore(&primary_crng.lock, flags);
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return 0;
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}
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@@ -855,7 +855,7 @@ static void _extract_crng(struct crng_state *crng,
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@@ -913,7 +913,7 @@ static void _extract_crng(struct crng_state *crng,
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{
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unsigned long v, flags;
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- if (crng_ready() &&
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+ if (crng_init > 1 &&
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time_after(jiffies, crng->init_time + CRNG_RESEED_INTERVAL))
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(time_after(crng_global_init_time, crng->init_time) ||
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time_after(jiffies, crng->init_time + CRNG_RESEED_INTERVAL)))
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crng_reseed(crng, crng == &primary_crng ? &input_pool : NULL);
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spin_lock_irqsave(&crng->lock, flags);
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@@ -1141,7 +1141,7 @@ void add_interrupt_randomness(int irq, int irq_flags)
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@@ -1200,7 +1200,7 @@ void add_interrupt_randomness(int irq, int irq_flags)
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fast_mix(fast_pool);
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add_interrupt_bench(cycles);
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@ -259,7 +146,7 @@ index d0b2f89e9c6e..11c23ca57430 100644
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if ((fast_pool->count >= 64) &&
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crng_fast_load((char *) fast_pool->pool,
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sizeof(fast_pool->pool))) {
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@@ -2214,7 +2214,7 @@ void add_hwgenerator_randomness(const char *buffer, size_t count,
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@@ -2269,7 +2269,7 @@ void add_hwgenerator_randomness(const char *buffer, size_t count,
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{
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struct entropy_store *poolp = &input_pool;
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|
|
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13
kernel.spec
13
kernel.spec
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|
@ -42,7 +42,7 @@ Summary: The Linux kernel
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# For non-released -rc kernels, this will be appended after the rcX and
|
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# gitX tags, so a 3 here would become part of release "0.rcX.gitX.3"
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#
|
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%global baserelease 202
|
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%global baserelease 200
|
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%global fedora_build %{baserelease}
|
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|
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# base_sublevel is the kernel version we're starting with and patching
|
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|
|
@ -54,7 +54,7 @@ Summary: The Linux kernel
|
|||
%if 0%{?released_kernel}
|
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|
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# Do we have a -stable update to apply?
|
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%define stable_update 6
|
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%define stable_update 7
|
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# Set rpm version accordingly
|
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%if 0%{?stable_update}
|
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%define stablerev %{stable_update}
|
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|
|
@ -505,9 +505,6 @@ Source5000: patch-4.%{base_sublevel}-git%{gitrev}.xz
|
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# ongoing complaint, full discussion delayed until ksummit/plumbers
|
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Patch002: 0001-iio-Use-event-header-from-kernel-tree.patch
|
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|
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# gcc -Werror=aliasing workaround
|
||||
Patch003: 0001-Temporarily-work-around-gcc-aliasing-warning-error.patch
|
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|
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%if !%{nopatches}
|
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|
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# Git trees.
|
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|
|
@ -657,9 +654,6 @@ Patch503: v3-2-2-Input-synaptics---Lenovo-X1-Carbon-5-should-use-SMBUS-RMI.patch
|
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# rhbz 1549316
|
||||
Patch504: ipmi-fixes.patch
|
||||
|
||||
# rhbz 1565131
|
||||
Patch507: xhci-Fix-Kernel-oops-in-xhci-dbgtty.patch
|
||||
|
||||
# rhbz 1514836
|
||||
Patch508: Bluetooth-btusb-autosuspend-XPS-13-9360-fixes.patch
|
||||
|
||||
|
|
@ -1918,6 +1912,9 @@ fi
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|||
#
|
||||
#
|
||||
%changelog
|
||||
* Wed May 02 2018 Jeremy Cline <jeremy@jcline.org> - 4.16.7-200
|
||||
- Linux v4.16.7
|
||||
|
||||
* Tue May 01 2018 Jeremy Cline <jeremy@jcline.org> - 4.16.6-202
|
||||
- Revert the entire random series from 4.16.4 (rhbz 1572944)
|
||||
|
||||
|
|
|
|||
|
|
@ -1,65 +1,3 @@
|
|||
From patchwork Sun Apr 22 12:33:46 2018
|
||||
Content-Type: text/plain; charset="utf-8"
|
||||
MIME-Version: 1.0
|
||||
Content-Transfer-Encoding: 7bit
|
||||
Subject: serial: mvebu-uart: Fix local flags handling on termios update
|
||||
From: Marc Zyngier <Marc.Zyngier@arm.com>
|
||||
X-Patchwork-Id: 10354521
|
||||
Message-Id: <20180422123346.15538-1-marc.zyngier@arm.com>
|
||||
To: linux-arm-kernel@lists.infradead.org,
|
||||
linux-kernel@vger.kernel.org
|
||||
Cc: Gregory CLEMENT <gregory.clement@free-electrons.com>,
|
||||
Allen Yan <yanwei@marvell.com>,
|
||||
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
|
||||
Miquel Raynal <miquel.raynal@free-electrons.com>
|
||||
Date: Sun, 22 Apr 2018 13:33:46 +0100
|
||||
|
||||
Commit 68a0db1d7da2 reworked the baud rate selection, but also added
|
||||
a (not so) subtle change in the way the local flags (c_lflag in the
|
||||
termios structure) are handled, forcing the new flags to always be the
|
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same as the old ones.
|
||||
|
||||
The reason for that particular change is both obscure and undocumented.
|
||||
It also completely breaks userspace. Something as trivial as getty is
|
||||
unusable:
|
||||
|
||||
<example>
|
||||
Debian GNU/Linux 9 sy-borg ttyMV0
|
||||
|
||||
sy-borg login: root
|
||||
root
|
||||
[timeout]
|
||||
|
||||
Debian GNU/Linux 9 sy-borg ttyMV0
|
||||
</example>
|
||||
|
||||
which is quite obvious in retrospect: getty cannot get in control of
|
||||
the echo mode, is stuck in canonical mode, and times out without ever
|
||||
seeing anything valid. It also begs the question of how this change was
|
||||
ever tested.
|
||||
|
||||
The fix is pretty obvious: stop messing with c_lflag, and the world
|
||||
will be a happier place.
|
||||
|
||||
Cc: stable@vger.kernel.org # 4.15+
|
||||
Fixes: 68a0db1d7da2 ("serial: mvebu-uart: add function to change baudrate")
|
||||
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
|
||||
---
|
||||
drivers/tty/serial/mvebu-uart.c | 1 -
|
||||
1 file changed, 1 deletion(-)
|
||||
|
||||
diff --git a/drivers/tty/serial/mvebu-uart.c b/drivers/tty/serial/mvebu-uart.c
|
||||
index 750e5645dc85..f503fab1e268 100644
|
||||
--- a/drivers/tty/serial/mvebu-uart.c
|
||||
+++ b/drivers/tty/serial/mvebu-uart.c
|
||||
@@ -495,7 +495,6 @@ static void mvebu_uart_set_termios(struct uart_port *port,
|
||||
termios->c_iflag |= old->c_iflag & ~(INPCK | IGNPAR);
|
||||
termios->c_cflag &= CREAD | CBAUD;
|
||||
termios->c_cflag |= old->c_cflag & ~(CREAD | CBAUD);
|
||||
- termios->c_lflag = old->c_lflag;
|
||||
}
|
||||
|
||||
spin_unlock_irqrestore(&port->lock, flags);
|
||||
From patchwork Sun Mar 25 19:57:36 2018
|
||||
Content-Type: text/plain; charset="utf-8"
|
||||
MIME-Version: 1.0
|
||||
|
|
|
|||
2
sources
2
sources
|
|
@ -1,2 +1,2 @@
|
|||
SHA512 (linux-4.16.tar.xz) = ab47849314b177d0eec9dbf261f33972b0d89fb92fb0650130ffa7abc2f36c0fab2d06317dc1683c51a472a9a631573a9b1e7258d6281a2ee189897827f14662
|
||||
SHA512 (patch-4.16.6.xz) = 151f3fedfb025f090e0f3d747890366933236b11d1f2bf8794c7d0309f9bb577c01fbfcd6ac073b3c49657543961592c643e896c6a57fe8df6ecde89270d0b36
|
||||
SHA512 (patch-4.16.7.xz) = 576c2b520d444e11a9ca45ed3ed03822007ab6ff778a1759aa0f65c96946fe3e169e71d48d11e6d3b8627a99cdc20abfb0c84d7b6c9b0d2afa4d5fee9ed3aa41
|
||||
|
|
|
|||
|
|
@ -1,95 +0,0 @@
|
|||
From patchwork Fri Apr 13 12:55:34 2018
|
||||
Content-Type: text/plain; charset="utf-8"
|
||||
MIME-Version: 1.0
|
||||
Content-Transfer-Encoding: 7bit
|
||||
Subject: xhci: Fix Kernel oops in xhci dbgtty
|
||||
From: Mathias Nyman <mathias.nyman@linux.intel.com>
|
||||
X-Patchwork-Id: 10340045
|
||||
Message-Id: <1523624134-29224-1-git-send-email-mathias.nyman@linux.intel.com>
|
||||
To: <gregkh@linuxfoundation.org>
|
||||
Cc: <linux-usb@vger.kernel.org>, Zhengjun Xing <zhengjun.xing@linux.intel.com>,
|
||||
"# 4 . 16" <stable@vger.kernel.org>,
|
||||
Mathias Nyman <mathias.nyman@linux.intel.com>
|
||||
Date: Fri, 13 Apr 2018 15:55:34 +0300
|
||||
|
||||
From: Zhengjun Xing <zhengjun.xing@linux.intel.com>
|
||||
|
||||
tty_unregister_driver may be called more than 1 time in some
|
||||
hotplug cases,it will cause the kernel oops. This patch checked
|
||||
dbc_tty_driver to make sure it is unregistered only 1 time.
|
||||
|
||||
[ 175.741404] BUG: unable to handle kernel NULL pointer dereference at 0000000000000034
|
||||
[ 175.742309] IP: tty_unregister_driver+0x9/0x70
|
||||
[ 175.743148] PGD 0 P4D 0
|
||||
[ 175.743981] Oops: 0000 [#1] SMP PTI
|
||||
[ 175.753904] RIP: 0010:tty_unregister_driver+0x9/0x70
|
||||
[ 175.754817] RSP: 0018:ffffa8ff831d3bb0 EFLAGS: 00010246
|
||||
[ 175.755753] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
|
||||
[ 175.756685] RDX: ffff92089c616000 RSI: ffffe64fe1b26080 RDI: 0000000000000000
|
||||
[ 175.757608] RBP: ffff92086c988230 R08: 000000006c982701 R09: 00000001801e0016
|
||||
[ 175.758533] R10: ffffa8ff831d3b48 R11: ffff92086c982100 R12: ffff92086c98827c
|
||||
[ 175.759462] R13: ffff92086c988398 R14: 0000000000000060 R15: ffff92089c5e9b40
|
||||
[ 175.760401] FS: 0000000000000000(0000) GS:ffff9208a0100000(0000) knlGS:0000000000000000
|
||||
[ 175.761334] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
|
||||
[ 175.762270] CR2: 0000000000000034 CR3: 000000011800a003 CR4: 00000000003606e0
|
||||
[ 175.763225] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
|
||||
[ 175.764164] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
|
||||
[ 175.765091] Call Trace:
|
||||
[ 175.766014] xhci_dbc_tty_unregister_driver+0x11/0x30
|
||||
[ 175.766960] xhci_dbc_exit+0x2a/0x40
|
||||
[ 175.767889] xhci_stop+0x57/0x1c0
|
||||
[ 175.768824] usb_remove_hcd+0x100/0x250
|
||||
[ 175.769708] usb_hcd_pci_remove+0x68/0x130
|
||||
[ 175.770574] pci_device_remove+0x3b/0xc0
|
||||
[ 175.771435] device_release_driver_internal+0x157/0x230
|
||||
[ 175.772343] pci_stop_bus_device+0x74/0xa0
|
||||
[ 175.773205] pci_stop_bus_device+0x2b/0xa0
|
||||
[ 175.774061] pci_stop_bus_device+0x2b/0xa0
|
||||
[ 175.774907] pci_stop_bus_device+0x2b/0xa0
|
||||
[ 175.775741] pci_stop_bus_device+0x2b/0xa0
|
||||
[ 175.776618] pci_stop_bus_device+0x2b/0xa0
|
||||
[ 175.777452] pci_stop_bus_device+0x2b/0xa0
|
||||
[ 175.778273] pci_stop_bus_device+0x2b/0xa0
|
||||
[ 175.779092] pci_stop_bus_device+0x2b/0xa0
|
||||
[ 175.779908] pci_stop_bus_device+0x2b/0xa0
|
||||
[ 175.780750] pci_stop_bus_device+0x2b/0xa0
|
||||
[ 175.781543] pci_stop_and_remove_bus_device+0xe/0x20
|
||||
[ 175.782338] pciehp_unconfigure_device+0xb8/0x160
|
||||
[ 175.783128] pciehp_disable_slot+0x4f/0xd0
|
||||
[ 175.783920] pciehp_power_thread+0x82/0xa0
|
||||
[ 175.784766] process_one_work+0x147/0x3c0
|
||||
[ 175.785564] worker_thread+0x4a/0x440
|
||||
[ 175.786376] kthread+0xf8/0x130
|
||||
[ 175.787174] ? rescuer_thread+0x360/0x360
|
||||
[ 175.787964] ? kthread_associate_blkcg+0x90/0x90
|
||||
[ 175.788798] ret_from_fork+0x35/0x40
|
||||
|
||||
Cc: <stable@vger.kernel.org> # 4.16
|
||||
Fixes: dfba2174dc42 ("usb: xhci: Add DbC support in xHCI driver")
|
||||
Signed-off-by: Zhengjun Xing <zhengjun.xing@linux.intel.com>
|
||||
Tested-by: Christian Kellner <christian@kellner.me>
|
||||
Reviewed-by: Christian Kellner <christian@kellner.me>
|
||||
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
|
||||
---
|
||||
drivers/usb/host/xhci-dbgtty.c | 8 +++++---
|
||||
1 file changed, 5 insertions(+), 3 deletions(-)
|
||||
|
||||
diff --git a/drivers/usb/host/xhci-dbgtty.c b/drivers/usb/host/xhci-dbgtty.c
|
||||
index 48779c4..eb494ec5 100644
|
||||
--- a/drivers/usb/host/xhci-dbgtty.c
|
||||
+++ b/drivers/usb/host/xhci-dbgtty.c
|
||||
@@ -320,9 +320,11 @@ int xhci_dbc_tty_register_driver(struct xhci_hcd *xhci)
|
||||
|
||||
void xhci_dbc_tty_unregister_driver(void)
|
||||
{
|
||||
- tty_unregister_driver(dbc_tty_driver);
|
||||
- put_tty_driver(dbc_tty_driver);
|
||||
- dbc_tty_driver = NULL;
|
||||
+ if (dbc_tty_driver) {
|
||||
+ tty_unregister_driver(dbc_tty_driver);
|
||||
+ put_tty_driver(dbc_tty_driver);
|
||||
+ dbc_tty_driver = NULL;
|
||||
+ }
|
||||
}
|
||||
|
||||
static void dbc_rx_push(unsigned long _port)
|
||||
Loading…
Reference in New Issue