shinys000114/linux
1
0
Fork 0
mirror of https://github.com/hardkernel/linux.git synced 2026-06-09 12:17:12 +09:00
Code Issues Packages Projects Releases Wiki Activity

can: Add missing socket check in can/bcm release.

Browse Source 
commit c6914a6f26 upstream.

We can get here with a NULL socket argument passed from userspace,
so we need to handle it accordingly.

Signed-off-by: Dave Jones <davej@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Dave Jones
2011-04-19 20:36:59 -07:00
committed by Greg Kroah-Hartman
parent 1c89151b1c
commit d459e08d10
1 changed files with 6 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

7
net/can/bcm.c
View File

@@ -1425,9 +1425,14 @@ static int bcm_init(struct sock *sk)
static int bcm_release(struct socket *sock)
{
struct sock *sk = sock->sk;
struct bcm_sock *bo = bcm_sk(sk);
struct bcm_sock *bo;
struct bcm_op *op, *next;
if (sk == NULL)
return 0;
bo = bcm_sk(sk);
/* remove bcm_ops, timer, rx_unregister(), etc. */
unregister_netdevice_notifier(&bo->notifier);