[PATCH V3 21/30] omap_hsmmc: fix NULL pointer dereference

Adrian Hunter
2009-09-09T11:59:27Z

>From bd81dee10c08ae9290c9a6170584549c15bc43d0 Mon Sep 17 00:00:00 2001
From: Jarkko Lavinen <jarkko.lavinen@nokia.com>
Date: Tue, 12 May 2009 19:46:14 +0300
Subject: [PATCH] omap_hsmmc: fix NULL pointer dereference

Do not call 'mmc_omap_xfer_done()' if the request is
already done.

Signed-off-by: Jarkko Lavinen <jarkko.lavinen@nokia.com>
Signed-off-by: Adrian Hunter <adrian.hunter@nokia.com>
---
drivers/mmc/host/omap_hsmmc.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c
index d6bf65b..243ad97 100644
--- a/drivers/mmc/host/omap_hsmmc.c
+++ b/drivers/mmc/host/omap_hsmmc.c
@@ -670,7 +670,7 @@ static irqreturn_t mmc_omap_irq(int irq, void *dev_id)

if (end_cmd || ((status & CC) && host->cmd))
mmc_omap_cmd_done(host, host->cmd);
- if (end_trans || (status & TC))
+ if ((end_trans || (status & TC)) && host->mrq)
mmc_omap_xfer_done(host, data);

return IRQ_HANDLED;
--
1.5.6.3