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| author | Jarkko Lavinen <jarkko.lavinen@nokia.com> | 2009-04-08 11:18:32 +0300 |
|---|---|---|
| committer | Pierre Ossman <pierre@ossman.eu> | 2009-04-08 20:43:38 +0200 |
| commit | a8fe29d8bcdfbf85ba26c7f3522c4bdfbc83e71d (patch) | |
| tree | 1a70e1da0502a26b9c0544c84acf026975b49922 /drivers/mmc | |
| parent | d31f65e8464927f2cfdee6b0b01b9e3a8ce5db9c (diff) | |
| download | linux-stable-a8fe29d8bcdfbf85ba26c7f3522c4bdfbc83e71d.tar.gz linux-stable-a8fe29d8bcdfbf85ba26c7f3522c4bdfbc83e71d.tar.bz2 linux-stable-a8fe29d8bcdfbf85ba26c7f3522c4bdfbc83e71d.zip | |
omap_hsmmc: Do not expect cmd/data to be non-null when CC/TC occurs
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>
Diffstat (limited to 'drivers/mmc')
| -rw-r--r-- | 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 d765df29ee15..e62a22a7f00c 100644 --- a/drivers/mmc/host/omap_hsmmc.c +++ b/drivers/mmc/host/omap_hsmmc.c @@ -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); |