ping..
On 18 September 2012 14:18, Sachin Kamat <sachin.kamat@xxxxxxxxxx> wrote:
> 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
>
--
With warm regards,
Sachin
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