of_match_node() returns NULL if a device_node does not have
a matching of_match structure. Thus the return value needs to be
checked for NULL to avoid NULL pointer dereferencing.
Cc: Wolfram Sang <w.sang@xxxxxxxxxxxxxx>
Cc: Grant Likely <grant.likely@xxxxxxxxxxxx>
Cc: Rob Herring <rob.herring@xxxxxxxxxxx>
Signed-off-by: Sachin Kamat <sachin.kamat@xxxxxxxxxx>
---
drivers/i2c/busses/i2c-s3c2410.c | 2 ++
1 files changed, 2 insertions(+), 0 deletions(-)
diff --git a/drivers/i2c/busses/i2c-s3c2410.c b/drivers/i2c/busses/i2c-s3c2410.c
index 5ae3b02..d906523 100644
--- a/drivers/i2c/busses/i2c-s3c2410.c
+++ b/drivers/i2c/busses/i2c-s3c2410.c
@@ -123,6 +123,8 @@ static inline unsigned int s3c24xx_get_device_quirks(struct platform_device *pde
if (pdev->dev.of_node) {
const struct of_device_id *match;
match = of_match_node(s3c24xx_i2c_match, pdev->dev.of_node);
+ if (!match)
+ return 0;
return (unsigned int)match->data;
}
--
1.7.4.1
--
To unsubscribe from this list: send the line "unsubscribe linux-i2c" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
