diff options
| author | Daniel Borkmann <dborkman@redhat.com> | 2013-08-13 11:45:13 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2013-08-15 13:41:20 -0700 |
| commit | 6829309926b90c4c32d1f4cafeb600cd34a721e3 (patch) | |
| tree | 3098cd027df9c533003000ccfdae9f570691e049 /drivers/clocksource | |
| parent | 8a8e3d84b1719a56f9151909e80ea6ebc5b8e318 (diff) | |
net: tg3: fix NULL pointer dereference in tg3_io_error_detected and tg3_io_slot_reset
Commit d8af4dfd8 ("net/tg3: Fix kernel crash") introduced a possible
NULL pointer dereference in tg3 driver when !netdev || !netif_running(netdev)
condition is met and netdev is NULL. Then, the jump to the 'done' label
calls dev_close() with a netdevice that is NULL. Therefore, only call
dev_close() when we have a netdevice, but one that is not running.
[ Add the same checks in tg3_io_slot_reset() per Gavin Shan - by Nithin
Nayak Sujir ]
Reported-by: Dave Jones <davej@redhat.com>
Signed-off-by: Daniel Borkmann <dborkman@redhat.com>
Cc: Gavin Shan <shangw@linux.vnet.ibm.com>
Cc: Michael Chan <mchan@broadcom.com>
Signed-off-by: Nithin Nayak Sujir <nsujir@broadcom.com>
Signed-off-by: Nithin Nayak Sujir <nsujir@broadcom.com>
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/clocksource')
0 files changed, 0 insertions, 0 deletions