mirrors/linux-stable
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git synced 2024-10-06 00:39:48 +00:00
Code Issues Releases Wiki Activity

mmc: dw_mmc: Fix NULL pointer dereference

Browse source 
If mrq->sbc is not NULL but data->stop happens to be NULL,
it will lead to NULL pointer dereferencing. Avoid this by
having a NULL check for data->stop.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Acked-by: Seungwon Jeon <tgih.jun@samsung.com>
Signed-off-by: Chris Ball <chris@printf.net>
This commit is contained in:
Sachin Kamat 2014-02-25 15:18:28 +05:30 committed by Chris Ball
parent 550459eeb2
commit 17c8bc85f2
1 changed files with 1 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
drivers/mmc/host/dw_mmc.c
View file

@ -1345,7 +1345,7 @@ static void dw_mci_tasklet_func(unsigned long priv)
if (!err) {
if (!data->stop || mrq->sbc) {
if (mrq->sbc)
if (mrq->sbc && data->stop)
data->stop->error = 0;
dw_mci_request_end(host, mrq);
goto unlock;