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