[PATCH 06/10] staging: mt7621-mmc: Fix dereference before check in msdc_drv_pm
Christian Lütke-Stetzkamp
christian at lkamp.de
Fri Apr 6 08:36:56 UTC 2018
In the msdc_drv_pm function the variable mmc is dereferenced before
checked. Reordering fixes that.
Reported-by: Dan Carpenter <dan.carpenter at oracle.com>
Signed-off-by: Christian Lütke-Stetzkamp <christian at lkamp.de>
---
drivers/staging/mt7621-mmc/sd.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/staging/mt7621-mmc/sd.c b/drivers/staging/mt7621-mmc/sd.c
index ae0807b8c98f..799ec20f9820 100644
--- a/drivers/staging/mt7621-mmc/sd.c
+++ b/drivers/staging/mt7621-mmc/sd.c
@@ -2842,10 +2842,10 @@ static int msdc_drv_remove(struct platform_device *pdev)
static void msdc_drv_pm(struct platform_device *pdev, pm_message_t state)
{
struct mmc_host *mmc = platform_get_drvdata(pdev);
- struct msdc_host *host = mmc_priv(mmc);
-
- if (mmc)
+ if (mmc) {
+ struct msdc_host *host = mmc_priv(mmc);
msdc_pm(state, (void *)host);
+ }
}
static int msdc_drv_suspend(struct platform_device *pdev, pm_message_t state)
--
2.16.1
More information about the devel
mailing list