Re: [PATCHv5 2/5] Staging: most: mostcore/core.c. Fix "Using plain integer as NULL pointer" warnings

From: Sudip Mukherjee
Date: Wed Aug 05 2015 - 01:26:42 EST


On Tue, Aug 04, 2015 at 08:44:52PM +0200, Adrian Remonda wrote:
> This patch fixes the warning generated by sparse: "Using plain integer
> as NULL pointer" by replacing the offending 0 with NULL.
>
> Signed-off-by: Adrian Remonda <adrianremonda@xxxxxxxxx>
> ---
> drivers/staging/most/mostcore/core.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/staging/most/mostcore/core.c b/drivers/staging/most/mostcore/core.c
> index b8871364169c..383e06968b41 100644
> --- a/drivers/staging/most/mostcore/core.c
> +++ b/drivers/staging/most/mostcore/core.c
> @@ -982,7 +982,7 @@ static ssize_t store_add_link(struct most_aim_obj *aim_obj,
> if (ret)
> return ret;
>
> - if (mdev_devnod == 0 || *mdev_devnod == 0) {
> + if (mdev_devnod == NULL || *mdev_devnod == 0) {
Usually we write the NULL test as:
if (!mdev_devnod || *mdev_devnod == 0)

regards
sudip
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