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omap_hsmmc: Do not expect cmd/data to be non-null when CC/TC occurs

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With spurious interrupt cmd can be null even when we have CC
set in irq status.

Fixes: NB#106295 - prevent potential kernel crash in the MMC driver

Signed-off-by: Jarkko Lavinen <jarkko.lavinen@nokia.com>
Signed-off-by: Adrian Hunter <adrian.hunter@nokia.com>
Signed-off-by: Pierre Ossman <pierre@ossman.eu>
This commit is contained in:
Jarkko Lavinen 2009-04-08 11:18:32 +03:00 committed by Pierre Ossman
parent d31f65e846
commit a8fe29d8bc
1 changed files with 1 additions and 1 deletions
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2
drivers/mmc/host/omap_hsmmc.c
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@ -493,7 +493,7 @@ static irqreturn_t mmc_omap_irq(int irq, void *dev_id)
/* Flush posted write */
OMAP_HSMMC_READ(host->base, STAT);
if (end_cmd || (status & CC))
if (end_cmd || ((status & CC) && host->cmd))
mmc_omap_cmd_done(host, host->cmd);
if (end_trans || (status & TC))
mmc_omap_xfer_done(host, data);