diff options
| author | Adrian Hunter <adrian.hunter@intel.com> | 2014-01-21 09:52:39 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-02-13 13:50:26 -0800 |
| commit | b8786a04f4db6cb6dd92f28b2f81737d290ba30b (patch) | |
| tree | 358876491ae3223f2155b721e34bef5fe17f92df | |
| parent | 1fb1e637bd971cdf1d5d4ca3a0ed6dcb657dbdc0 (diff) | |
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 <adrian.hunter@intel.com>
Signed-off-by: Chris Ball <chris@printf.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/mmc/host/sdhci-pci.c | 3 |
1 files changed, 2 insertions, 1 deletions
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; |