Re: [PATCH 2/2] bus: fsl-mc: fsl-mc-allocator: Drop a write-only variable

From: Nathan Chancellor
Date: Mon Jun 05 2023 - 11:43:12 EST


On Mon, Jun 05, 2023 at 01:20:25PM +0200, Uwe Kleine-König wrote:
> Fixes a clang compiler warning:
>
> drivers/bus/fsl-mc/fsl-mc-allocator.c:565:6: warning: variable 'free_count' set but not used [-Wunused-but-set-variable]
> int free_count = 0;
>
> Fixes: d8e026a44919 ("staging: fsl-mc: remove some superfluous WARN_ONs")
> Reported-by: kernel test robot <lkp@xxxxxxxxx>
> Signed-off-by: Uwe Kleine-König <u.kleine-koenig@xxxxxxxxxxxxxx>

Reviewed-by: Nathan Chancellor <nathan@xxxxxxxxxx>

> ---
> drivers/bus/fsl-mc/fsl-mc-allocator.c | 5 +----
> 1 file changed, 1 insertion(+), 4 deletions(-)
>
> diff --git a/drivers/bus/fsl-mc/fsl-mc-allocator.c b/drivers/bus/fsl-mc/fsl-mc-allocator.c
> index 991273f956ce..b5e8c021fa1f 100644
> --- a/drivers/bus/fsl-mc/fsl-mc-allocator.c
> +++ b/drivers/bus/fsl-mc/fsl-mc-allocator.c
> @@ -563,12 +563,9 @@ static void fsl_mc_cleanup_resource_pool(struct fsl_mc_device *mc_bus_dev,
> struct fsl_mc_bus *mc_bus = to_fsl_mc_bus(mc_bus_dev);
> struct fsl_mc_resource_pool *res_pool =
> &mc_bus->resource_pools[pool_type];
> - int free_count = 0;
>
> - list_for_each_entry_safe(resource, next, &res_pool->free_list, node) {
> - free_count++;
> + list_for_each_entry_safe(resource, next, &res_pool->free_list, node)
> devm_kfree(&mc_bus_dev->dev, resource);
> - }
> }
>
> void fsl_mc_cleanup_all_resource_pools(struct fsl_mc_device *mc_bus_dev)
> --
> 2.39.2
>