summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorMichael Buesch <mb@bu3sch.de>2011-04-11 17:00:44 -0400
committerChris Ball <cjb@laptop.org>2011-04-27 19:15:12 -0400
commitf69475142136c8ad9b9c717aea2ff907aed9f863 (patch)
treeb8eec05f142ef6b8563f64828362dfba816074d6
parent9bc21848b1d6cb8389d927196b16c9950b5e21e9 (diff)
downloadop-kernel-dev-f69475142136c8ad9b9c717aea2ff907aed9f863.zip
op-kernel-dev-f69475142136c8ad9b9c717aea2ff907aed9f863.tar.gz
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>
-rw-r--r--drivers/mmc/host/omap.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/mmc/host/omap.c b/drivers/mmc/host/omap.c
index 2e032f0..a6c3290 100644
--- a/drivers/mmc/host/omap.c
+++ b/drivers/mmc/host/omap.c
@@ -832,7 +832,7 @@ static irqreturn_t mmc_omap_irq(int irq, void *dev_id)
return IRQ_HANDLED;
}
- if (end_command)
+ if (end_command && host->cmd)
mmc_omap_cmd_done(host, host->cmd);
if (host->data != NULL) {
if (transfer_error)
OpenPOWER on IntegriCloud