diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-05-03 09:24:44 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-05-03 09:24:44 -0700 |
| commit | 9a6cd4b45a1372b04bb4c3307f1ce79a0a2e2fa9 (patch) | |
| tree | d4672f9b0388ab49f8e279e9fd69b682549e002c /drivers/mmc/host/sdhci.c | |
| parent | bab0dcc717e28f76f10337a26ed5a14adcd786ce (diff) | |
| parent | 0c9c99a765321104cc5f9c97f949382a9ba4927e (diff) | |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/cjb/mmc
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/cjb/mmc:
mmc: sdhci: Check mrq != NULL in sdhci_tasklet_finish
mmc: sdhci: Check mrq->cmd in sdhci_tasklet_finish
mmc: tmio: fix .set_ios(MMC_POWER_UP) handling
mmc: fix a race between card-detect rescan and clock-gate work instances
mmc: omap: Fix possible NULL pointer deref
mmc: core: mmc_add_card(): fix missing break in switch statement
mmc: sdhci-pci: Fix error case in sdhci_pci_probe_slot()
Diffstat (limited to 'drivers/mmc/host/sdhci.c')
| -rw-r--r-- | drivers/mmc/host/sdhci.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c index 9e15f41f87be..5d20661bc357 100644 --- a/drivers/mmc/host/sdhci.c +++ b/drivers/mmc/host/sdhci.c @@ -1334,6 +1334,13 @@ static void sdhci_tasklet_finish(unsigned long param) host = (struct sdhci_host*)param; + /* + * If this tasklet gets rescheduled while running, it will + * be run again afterwards but without any active request. + */ + if (!host->mrq) + return; + spin_lock_irqsave(&host->lock, flags); del_timer(&host->timer); @@ -1345,7 +1352,7 @@ static void sdhci_tasklet_finish(unsigned long param) * upon error conditions. */ if (!(host->flags & SDHCI_DEVICE_DEAD) && - (mrq->cmd->error || + ((mrq->cmd && mrq->cmd->error) || (mrq->data && (mrq->data->error || (mrq->data->stop && mrq->data->stop->error))) || (host->quirks & SDHCI_QUIRK_RESET_AFTER_REQUEST))) { |