Hi Tom,
Thank you for the patch.
On Mon, May 31, 2021 at 10:43:00AM -0700, trix@xxxxxxxxxx wrote:
> From: Tom Rix <trix@xxxxxxxxxx>
>
> Static analysis reports this false positive
> imx7-mipi-csis.c:1027:2: warning: 4th function call argument is
> an uninitialized value
>
> The variable 'align' is falsely reported as uninitialized.
> Even though all the cases are covered in the
> switch (csis_fmt->width % 8) {
>
> Because there is no default case, it is reported as uninialized.
>
> Improve the switch by converting the most numerous set of cases
> to the default and silence the false positive.
>
> Signed-off-by: Tom Rix <trix@xxxxxxxxxx>
Reviewed-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
> ---
> drivers/staging/media/imx/imx7-mipi-csis.c | 6 ++----
> 1 file changed, 2 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/staging/media/imx/imx7-mipi-csis.c b/drivers/staging/media/imx/imx7-mipi-csis.c
> index d573f3475d28..330f283030ec 100644
> --- a/drivers/staging/media/imx/imx7-mipi-csis.c
> +++ b/drivers/staging/media/imx/imx7-mipi-csis.c
> @@ -1016,10 +1016,8 @@ static int mipi_csis_set_fmt(struct v4l2_subdev *sd,
> case 6:
> align = 2;
> break;
> - case 1:
> - case 3:
> - case 5:
> - case 7:
> + default:
> + /* 1, 3, 5, 7 */
> align = 3;
> break;
> }
--
Regards,
Laurent Pinchart
