From: Jarkko Lavinen <[email protected]>
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 <[email protected]> Signed-off-by: Adrian Hunter <[email protected]> --- 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 d183be6..0268992 100644 --- a/drivers/mmc/host/omap_hsmmc.c +++ b/drivers/mmc/host/omap_hsmmc.c @@ -490,7 +490,7 @@ static irqreturn_t mmc_omap_irq(int irq, void *dev_id) OMAP_HSMMC_WRITE(host->base, STAT, status); - 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); -- 1.5.6.3 -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
