Re: [PATCH][next] dax: remove redundant assignment to variable rc

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On 4/15/24 3:19 AM, Colin Ian King wrote:
> The variable rc is being assigned an value and then is being re-assigned
> a new value in the next statement. The assignment is redundant and can
> be removed.
> 
> Cleans up clang scan build warning:
> drivers/dax/bus.c:1207:2: warning: Value stored to 'rc' is never
> read [deadcode.DeadStores]
> 
> Signed-off-by: Colin Ian King <colin.i.king@xxxxxxxxx>

Reviewed-by: Dave Jiang <dave.jiang@xxxxxxxxx>
> ---
>  drivers/dax/bus.c | 1 -
>  1 file changed, 1 deletion(-)
> 
> diff --git a/drivers/dax/bus.c b/drivers/dax/bus.c
> index 797e1ebff299..f758afbf8f09 100644
> --- a/drivers/dax/bus.c
> +++ b/drivers/dax/bus.c
> @@ -1204,7 +1204,6 @@ static ssize_t mapping_store(struct device *dev, struct device_attribute *attr,
>  	if (rc)
>  		return rc;
>  
> -	rc = -ENXIO;
>  	rc = down_write_killable(&dax_region_rwsem);
>  	if (rc)
>  		return rc;




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