kernel/KEYS-potential-uninitialized-variable.patch

31 lines
935 B
Diff

From 82a50018782f84e733e718d4b24e1653d19333be Mon Sep 17 00:00:00 2001
From: Dan Carpenter <dan.carpenter@oracle.com>
Date: Wed, 15 Jun 2016 09:31:45 -0400
Subject: [PATCH] KEYS: potential uninitialized variable
If __key_link_begin() failed then "edit" would be uninitialized. I've
added a check to fix that.
Fixes: f70e2e06196a ('KEYS: Do preallocation for __key_link()')
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
---
security/keys/key.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/security/keys/key.c b/security/keys/key.c
index bd5a272f28a6..346fbf201c22 100644
--- a/security/keys/key.c
+++ b/security/keys/key.c
@@ -597,7 +597,7 @@ int key_reject_and_link(struct key *key,
mutex_unlock(&key_construction_mutex);
- if (keyring)
+ if (keyring && link_ret == 0)
__key_link_end(keyring, &key->index_key, edit);
/* wake up anyone waiting for a key to be constructed */
--
2.5.5