Commit dde9e2de authored Aug 02, 2017 by Siba Prasad

mmc: card: Fix NULL pointer dereference in mmc_blk_ioctl_rpmb_cmd()



In mmc_blk_ioctl_rpmb_cmd(), if user data copy fails, the card
variable is dereferenced without NULL pointer check.
Adding NULL pointer check in this condition.

Change-Id: If3fd2175946cccaf838768d45de72bc2f5c32f6b
Signed-off-by: Siba Prasad <sibap@codeaurora.org>

parent 560d3141

drivers/mmc/card/block.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -1173,7 +1173,7 @@ idata_free:

		cmd_done:
		mmc_blk_put(md);
		if (card->cmdq_init)
		if (card && card->cmdq_init)
		wake_up(&card->host->cmdq_ctx.wait);
		return err;
		}