From b8786a04f4db6cb6dd92f28b2f81737d290ba30b Mon Sep 17 00:00:00 2001 From: Adrian Hunter Date: Tue, 21 Jan 2014 09:52:39 +0200 Subject: mmc: sdhci-pci: Fix possibility of chip->fixes being null commit 945be38caa287b177b8c17ffaae7754cab6a658f upstream. It is possible for chip->fixes to be null. Check before dereferencing it. Signed-off-by: Adrian Hunter Signed-off-by: Chris Ball Signed-off-by: Greg Kroah-Hartman --- drivers/mmc/host/sdhci-pci.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/mmc/host/sdhci-pci.c b/drivers/mmc/host/sdhci-pci.c index 33593e7a6457..27ae563d0caa 100644 --- a/drivers/mmc/host/sdhci-pci.c +++ b/drivers/mmc/host/sdhci-pci.c @@ -1389,7 +1389,8 @@ static struct sdhci_pci_slot *sdhci_pci_probe_slot( * from runtime suspend. If it is not there, don't allow runtime PM. * Note sdhci_pci_add_own_cd() sets slot->cd_gpio to -EINVAL on failure. */ - if (chip->fixes->own_cd_for_runtime_pm && !gpio_is_valid(slot->cd_gpio)) + if (chip->fixes && chip->fixes->own_cd_for_runtime_pm && + !gpio_is_valid(slot->cd_gpio)) chip->allow_runtime_pm = false; return slot; -- cgit v1.2.3