Commit 17c8bc85 authored Feb 25, 2014 by Sachin Kamat Committed by Chris Ball Feb 25, 2014

mmc: dw_mmc: Fix NULL pointer dereference



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>

parent 550459ee

drivers/mmc/host/dw_mmc.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -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;