[PATCH] drivers/hwtracing/coresight: remove unneeded variable in tmc_crashdata_release()

Leo Yan leo.yan at arm.com
Mon Mar 2 01:08:35 PST 2026


On Sat, Feb 28, 2026 at 06:23:44PM -0400, Elsanti wrote:
> The variable 'ret' is initialized to 0, never modified, and returned
> directly. Remove it and return 0 explicitly.
> 
> Signed-off-by: Elsanti <santiagojoseleal27 at gmail.com>

Reviewed-by: Leo Yan <leo.yan at arm.com>

> ---
>  drivers/hwtracing/coresight/coresight-tmc-core.c | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
> 
> diff --git a/drivers/hwtracing/coresight/coresight-tmc-core.c b/drivers/hwtracing/coresight/coresight-tmc-core.c
> index 36599c431be6..e29012c451c5 100644
> --- a/drivers/hwtracing/coresight/coresight-tmc-core.c
> +++ b/drivers/hwtracing/coresight/coresight-tmc-core.c
> @@ -401,7 +401,6 @@ static ssize_t tmc_crashdata_read(struct file *file, char __user *data,
>  
>  static int tmc_crashdata_release(struct inode *inode, struct file *file)
>  {
> -	int ret = 0;
>  	unsigned long flags;
>  	struct tmc_resrv_buf *rbuf;
>  	struct tmc_drvdata *drvdata = container_of(file->private_data,
> @@ -414,7 +413,7 @@ static int tmc_crashdata_release(struct inode *inode, struct file *file)
>  	raw_spin_unlock_irqrestore(&drvdata->spinlock, flags);
>  
>  	dev_dbg(&drvdata->csdev->dev, "%s: released\n", __func__);
> -	return ret;
> +	return 0;
>  }
>  
>  static const struct file_operations tmc_crashdata_fops = {
> -- 
> 2.53.0
> 
> 



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