diff options
| author | Linus Torvalds | 2010-09-27 12:27:00 -0700 |
|---|---|---|
| committer | Linus Torvalds | 2010-09-27 12:27:00 -0700 |
| commit | 65097561b91c4f8ce92a2905f150900f1779ccd1 (patch) | |
| tree | 10928f1396e077b96dbba1f93417248145561e23 /drivers/mmc | |
| parent | 9a457a524762edc1bb1ded65b7a75c01738632d5 (diff) | |
| parent | 9320f7cbbdd5febf013b0e91db29189724057738 (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-s3c: fix NULL ptr access in sdhci_s3c_remove
mmc: sdhci-s3c: fix incorrect spinlock usage after merge
mmc: MAINTAINERS: add myself as MMC maintainer
Diffstat (limited to 'drivers/mmc')
| -rw-r--r-- | drivers/mmc/host/sdhci-s3c.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/drivers/mmc/host/sdhci-s3c.c b/drivers/mmc/host/sdhci-s3c.c index 71ad4163b95e..aacb862ecc8a 100644 --- a/drivers/mmc/host/sdhci-s3c.c +++ b/drivers/mmc/host/sdhci-s3c.c @@ -241,8 +241,10 @@ static struct sdhci_ops sdhci_s3c_ops = { static void sdhci_s3c_notify_change(struct platform_device *dev, int state) { struct sdhci_host *host = platform_get_drvdata(dev); + unsigned long flags; + if (host) { - spin_lock(&host->lock); + spin_lock_irqsave(&host->lock, flags); if (state) { dev_dbg(&dev->dev, "card inserted.\n"); host->flags &= ~SDHCI_DEVICE_DEAD; @@ -253,7 +255,7 @@ static void sdhci_s3c_notify_change(struct platform_device *dev, int state) host->quirks &= ~SDHCI_QUIRK_BROKEN_CARD_DETECTION; } tasklet_schedule(&host->card_tasklet); - spin_unlock(&host->lock); + spin_unlock_irqrestore(&host->lock, flags); } } @@ -481,8 +483,10 @@ static int __devexit sdhci_s3c_remove(struct platform_device *pdev) sdhci_remove_host(host, 1); for (ptr = 0; ptr < 3; ptr++) { - clk_disable(sc->clk_bus[ptr]); - clk_put(sc->clk_bus[ptr]); + if (sc->clk_bus[ptr]) { + clk_disable(sc->clk_bus[ptr]); + clk_put(sc->clk_bus[ptr]); + } } clk_disable(sc->clk_io); clk_put(sc->clk_io); |