Commit bcd596b0 authored by Ben Hutchings's avatar Ben Hutchings Committed by Luis Henriques

isdn_ppp: Add checks for allocation failure in isdn_ppp_open()

commit 0baa57d8 upstream.

Compile-tested only.
Signed-off-by: default avatarBen Hutchings <ben@decadent.org.uk>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
Cc: Moritz Mühlenhoff <jmm@inutil.org>
Signed-off-by: default avatarLuis Henriques <luis.henriques@canonical.com>
parent 53403866
...@@ -301,6 +301,8 @@ isdn_ppp_open(int min, struct file *file) ...@@ -301,6 +301,8 @@ isdn_ppp_open(int min, struct file *file)
is->compflags = 0; is->compflags = 0;
is->reset = isdn_ppp_ccp_reset_alloc(is); is->reset = isdn_ppp_ccp_reset_alloc(is);
if (!is->reset)
return -ENOMEM;
is->lp = NULL; is->lp = NULL;
is->mp_seqno = 0; /* MP sequence number */ is->mp_seqno = 0; /* MP sequence number */
...@@ -320,6 +322,10 @@ isdn_ppp_open(int min, struct file *file) ...@@ -320,6 +322,10 @@ isdn_ppp_open(int min, struct file *file)
* VJ header compression init * VJ header compression init
*/ */
is->slcomp = slhc_init(16, 16); /* not necessary for 2. link in bundle */ is->slcomp = slhc_init(16, 16); /* not necessary for 2. link in bundle */
if (!is->slcomp) {
isdn_ppp_ccp_reset_free(is);
return -ENOMEM;
}
#endif #endif
#ifdef CONFIG_IPPP_FILTER #ifdef CONFIG_IPPP_FILTER
is->pass_filter = NULL; is->pass_filter = NULL;
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment