41 lines
1.1 KiB
Diff
41 lines
1.1 KiB
Diff
From 59f271755df42fce6d38ebdf5b7502666b1e0c36 Mon Sep 17 00:00:00 2001
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From: Ben Hutchings <ben@decadent.org.uk>
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Date: Sun, 1 Nov 2015 16:21:24 +0000
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Subject: [PATCH 1/2] isdn_ppp: Add checks for allocation failure in
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isdn_ppp_open()
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Compile-tested only.
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Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
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---
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drivers/isdn/i4l/isdn_ppp.c | 6 ++++++
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1 file changed, 6 insertions(+)
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diff --git a/drivers/isdn/i4l/isdn_ppp.c b/drivers/isdn/i4l/isdn_ppp.c
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index c4198fa490bf..86f9abebcb72 100644
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--- a/drivers/isdn/i4l/isdn_ppp.c
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+++ b/drivers/isdn/i4l/isdn_ppp.c
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@@ -301,6 +301,8 @@ isdn_ppp_open(int min, struct file *file)
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is->compflags = 0;
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is->reset = isdn_ppp_ccp_reset_alloc(is);
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+ if (!is->reset)
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+ return -ENOMEM;
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is->lp = NULL;
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is->mp_seqno = 0; /* MP sequence number */
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@@ -320,6 +322,10 @@ isdn_ppp_open(int min, struct file *file)
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* VJ header compression init
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*/
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is->slcomp = slhc_init(16, 16); /* not necessary for 2. link in bundle */
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+ if (!is->slcomp) {
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+ isdn_ppp_ccp_reset_free(is);
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+ return -ENOMEM;
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+ }
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#endif
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#ifdef CONFIG_IPPP_FILTER
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is->pass_filter = NULL;
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--
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2.4.3
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