[PATCH i-g-t] lib/igt_sysfs: Remove redundant variable assignment

Dixit, Ashutosh ashutosh.dixit at intel.com
Wed Jul 16 15:00:27 UTC 2025


On Wed, 16 Jul 2025 06:27:52 -0700, Pranay Samala wrote:
>
> Eliminate redundant assignment in debug mask setup.
> Simplified the logic by directly using the input
> parameter for logging and sysfs operations.

There is no redundant assignment, new_debug_mask was not even assigned a
value. Strange this code went through code review and was merged :/

Anyway, looks correct now:

Reviewed-by: Ashutosh Dixit <ashutosh.dixit at intel.com>

>
> Fixes: 835f38b71973 ("lib/igt_sysfs: Update new debug mask requested by user")
> Signed-off-by: Pranay Samala <pranay.samala at intel.com>
> ---
>  lib/igt_sysfs.c | 5 ++---
>  1 file changed, 2 insertions(+), 3 deletions(-)
>
> diff --git a/lib/igt_sysfs.c b/lib/igt_sysfs.c
> index aec157b5b..96ca57ed9 100644
> --- a/lib/igt_sysfs.c
> +++ b/lib/igt_sysfs.c
> @@ -506,7 +506,6 @@ void igt_drm_debug_mask_reset_exit_handler(int sig)
>   */
>  void igt_drm_debug_mask_update(unsigned int mask_to_set)
>  {
> -	unsigned int new_debug_mask;
>	static bool debug_mask_read_once = true;
>	char buf[20];
>	int dir;
> @@ -525,8 +524,8 @@ void igt_drm_debug_mask_update(unsigned int mask_to_set)
>		}
>	}
>
> -	igt_debug("Setting DRM debug mask to %d\n", new_debug_mask);
> -	snprintf(buf, sizeof(buf), "%d", new_debug_mask);
> +	igt_debug("Setting DRM debug mask to %d\n", mask_to_set);
> +	snprintf(buf, sizeof(buf), "%d", mask_to_set);
>	igt_assert(igt_sysfs_set(dir, "debug", buf));
>
>	close(dir);
> --
> 2.34.1
>


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