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 <[email protected]>
Cc: Grant Likely <[email protected]>
Cc: Rob Herring <[email protected]>
Signed-off-by: Sachin Kamat <[email protected]>
---
 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 [email protected]
More majordomo info at  http://vger.kernel.org/majordomo-info.html

Reply via email to