Patch "isdn_ppp: Add checks for allocation failure in isdn_ppp_open()" has been added to the 3.14-stable tree

Patch "isdn_ppp: Add checks for allocation failure in isdn_ppp_open()" has been added to the 3.14-stable tree

[gregkh]

This is a note to let you know that I've just added the patch titled

    isdn_ppp: Add checks for allocation failure in isdn_ppp_open()

to the 3.14-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     isdn_ppp-add-checks-for-allocation-failure-in-isdn_ppp_open.patch
and it can be found in the queue-3.14 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@vger.kernel.org> know about it.


>From foo@baz Tue Jan 26 22:23:35 PST 2016
From: Ben Hutchings <ben@decadent.org.uk>
Date: Sun, 1 Nov 2015 16:21:24 +0000
Subject: isdn_ppp: Add checks for allocation failure in isdn_ppp_open()
Status: RO
Content-Length: 996
Lines: 37

From: Ben Hutchings <ben@decadent.org.uk>

[ Upstream commit 0baa57d8dc32db78369d8b5176ef56c5e2e18ab3 ]

Compile-tested only.

Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/isdn/i4l/isdn_ppp.c |    6 ++++++
 1 file changed, 6 insertions(+)

--- a/drivers/isdn/i4l/isdn_ppp.c
+++ b/drivers/isdn/i4l/isdn_ppp.c
@@ -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;


Patches currently in stable-queue which might be from ben@decadent.org.uk are

queue-3.14/ppp-slip-validate-vj-compression-slot-parameters-completely.patch
queue-3.14/isdn_ppp-add-checks-for-allocation-failure-in-isdn_ppp_open.patch