[PATCH RFC 1/2] mtd : Prevent the NULL pointer access

Shubhrajyoti D shubhrajyoti at ti.com
Mon Jan 23 03:12:40 EST 2012


This patch intends to fix the null pointer access.

Signed-off-by: Shubhrajyoti D <shubhrajyoti at ti.com>
---
 drivers/mtd/mtdcore.c |    5 +++--
 1 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/mtd/mtdcore.c b/drivers/mtd/mtdcore.c
index 6ae9ca0..2b3bda7 100644
--- a/drivers/mtd/mtdcore.c
+++ b/drivers/mtd/mtdcore.c
@@ -118,8 +118,9 @@ static void mtd_release(struct device *dev)
 static int mtd_cls_suspend(struct device *dev, pm_message_t state)
 {
 	struct mtd_info *mtd = dev_get_drvdata(dev);
-
-	return mtd_suspend(mtd);
+	if (mtd)
+		return mtd_suspend(mtd);
+	return 0;
 }
 
 static int mtd_cls_resume(struct device *dev)
-- 
1.7.1




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