Commit f6947514 authored Apr 11, 2011 by Michael Buesch Committed by Chris Ball Apr 27, 2011

mmc: omap: Fix possible NULL pointer deref



Either OMAP_MMC_STAT_CARD_ERR or OMAP_MMC_STAT_END_OF_CMD might fire
if there is no host->cmd pointer.

Check for a valid host->cmd pointer before calling mmc_omap_cmd_done().

Signed-off-by: Michael Buesch <mb@bu3sch.de>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Chris Ball <cjb@laptop.org>

parent 9bc21848

drivers/mmc/host/omap.c

+1 −1

Original line number	Original line	Diff line number	Diff line
	@@ -832,7 +832,7 @@ static irqreturn_t mmc_omap_irq(int irq, void *dev_id)
	return IRQ_HANDLED;		return IRQ_HANDLED;
	}		}

	if (end_command)		if (end_command && host->cmd)
	mmc_omap_cmd_done(host, host->cmd);		mmc_omap_cmd_done(host, host->cmd);
	if (host->data != NULL) {		if (host->data != NULL) {
	if (transfer_error)		if (transfer_error)