Commit f9e58aab authored by Ben Hutchings's avatar Ben Hutchings Committed by Sasha Levin

isdn_ppp: Add checks for allocation failure in isdn_ppp_open()

[ Upstream commit 0baa57d8 ]

Compile-tested only.
Signed-off-by: default avatarBen Hutchings <ben@decadent.org.uk>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
Signed-off-by: default avatarSasha Levin <sasha.levin@oracle.com>
parent 2da36291
......@@ -301,6 +301,8 @@ isdn_ppp_open(int min, struct file *file)
is->compflags = 0;
is->reset = isdn_ppp_ccp_reset_alloc(is);
if (!is->reset)
return -ENOMEM;
is->lp = NULL;
is->mp_seqno = 0; /* MP sequence number */
......@@ -320,6 +322,10 @@ isdn_ppp_open(int min, struct file *file)
* VJ header compression init
*/
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
#ifdef CONFIG_IPPP_FILTER
is->pass_filter = NULL;
......
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