[v2] media: rockchip: rkisp1: remove useless debugfs checks
Commit Message
The debugfs_create_dir() function never returns NULLs so this code will
never be executed. It's not intended that callers will check for
debugfs errors in the normal case and it's not necessary in this driver,
so we can just delete this code.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
---
v2: Fix subject
drivers/media/platform/rockchip/rkisp1/rkisp1-dev.c | 4 ----
1 file changed, 4 deletions(-)
Comments
On 12/1/20 11:30 AM, Dan Carpenter wrote:
> The debugfs_create_dir() function never returns NULLs so this code will
> never be executed. It's not intended that callers will check for
> debugfs errors in the normal case and it's not necessary in this driver,
> so we can just delete this code.
>
> Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Since the debugfs_create_*() functions already check the parent
with IS_ERR(), this looks good to me.
Acked-by: Helen Koike <helen.koike@collabora.com>
Thanks
Helen
> ---
> v2: Fix subject
>
> drivers/media/platform/rockchip/rkisp1/rkisp1-dev.c | 4 ----
> 1 file changed, 4 deletions(-)
>
> diff --git a/drivers/media/platform/rockchip/rkisp1/rkisp1-dev.c b/drivers/media/platform/rockchip/rkisp1/rkisp1-dev.c
> index 9af137e4967f..68da1eed753d 100644
> --- a/drivers/media/platform/rockchip/rkisp1/rkisp1-dev.c
> +++ b/drivers/media/platform/rockchip/rkisp1/rkisp1-dev.c
> @@ -430,10 +430,6 @@ static void rkisp1_debug_init(struct rkisp1_device *rkisp1)
> struct rkisp1_debug *debug = &rkisp1->debug;
>
> debug->debugfs_dir = debugfs_create_dir(RKISP1_DRIVER_NAME, NULL);
> - if (!debug->debugfs_dir) {
> - dev_dbg(rkisp1->dev, "failed to create debugfs directory\n");
> - return;
> - }
> debugfs_create_ulong("data_loss", 0444, debug->debugfs_dir,
> &debug->data_loss);
> debugfs_create_ulong("outform_size_err", 0444, debug->debugfs_dir,
>
@@ -430,10 +430,6 @@ static void rkisp1_debug_init(struct rkisp1_device *rkisp1)
struct rkisp1_debug *debug = &rkisp1->debug;
debug->debugfs_dir = debugfs_create_dir(RKISP1_DRIVER_NAME, NULL);
- if (!debug->debugfs_dir) {
- dev_dbg(rkisp1->dev, "failed to create debugfs directory\n");
- return;
- }
debugfs_create_ulong("data_loss", 0444, debug->debugfs_dir,
&debug->data_loss);
debugfs_create_ulong("outform_size_err", 0444, debug->debugfs_dir,