On Wed, Feb 26, 2014 at 06:44:34PM -0300, Fabio Estevam wrote:
> From: Fabio Estevam <fabio.este...@freescale.com>
>
> Fix the following static checker warning:
>
> drivers/staging/imx-drm/ipu-v3/ipu-dmfc.c:164 ipu_dmfc_setup_channel() warn:
> variable dereferenced before check 'dmfc' (see line 157)
>
> Reported-by: Dan Carpenter <dan.carpen...@oracle.com>
> Signed-off-by: Fabio Estevam <fabio.este...@freescale.com>
> ---
> drivers/staging/imx-drm/ipu-v3/ipu-dmfc.c | 6 +++---
> 1 file changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/staging/imx-drm/ipu-v3/ipu-dmfc.c
> b/drivers/staging/imx-drm/ipu-v3/ipu-dmfc.c
> index 98070dd..76542d3 100644
> --- a/drivers/staging/imx-drm/ipu-v3/ipu-dmfc.c
> +++ b/drivers/staging/imx-drm/ipu-v3/ipu-dmfc.c
> @@ -157,13 +157,13 @@ static int ipu_dmfc_setup_channel(struct dmfc_channel
> *dmfc, int slots,
> struct ipu_dmfc_priv *priv = dmfc->priv;
^^^^^^^^^^
There is another dereference here still...
> u32 val, field;
>
> + if (!dmfc)
> + return -EINVAL;
> +
regards,
dan carpenter
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