[v2,media] blackfin: fix error return code in bcap_probe()
Commit Message
From: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Fix to return a negative error code from the error handling
case instead of 0, as done elsewhere in this function.
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
---
v1 -> v2: move config->num_inputs check to the beginning of this function
---
drivers/media/platform/blackfin/bfin_capture.c | 8 ++------
1 file changed, 2 insertions(+), 6 deletions(-)
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Comments
2013/5/13 Wei Yongjun <weiyj.lk@gmail.com>:
> From: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
>
> Fix to return a negative error code from the error handling
> case instead of 0, as done elsewhere in this function.
>
> Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
> ---
> v1 -> v2: move config->num_inputs check to the beginning of this function
> ---
> drivers/media/platform/blackfin/bfin_capture.c | 8 ++------
> 1 file changed, 2 insertions(+), 6 deletions(-)
>
> diff --git a/drivers/media/platform/blackfin/bfin_capture.c b/drivers/media/platform/blackfin/bfin_capture.c
> index 0e55b08..391d9a9 100644
> --- a/drivers/media/platform/blackfin/bfin_capture.c
> +++ b/drivers/media/platform/blackfin/bfin_capture.c
> @@ -960,7 +960,7 @@ static int bcap_probe(struct platform_device *pdev)
> int ret;
>
> config = pdev->dev.platform_data;
> - if (!config) {
> + if (!config || !config->num_inputs) {
> v4l2_err(pdev->dev.driver, "Unable to get board config\n");
> return -ENODEV;
> }
> @@ -1067,11 +1067,6 @@ static int bcap_probe(struct platform_device *pdev)
> NULL);
> if (bcap_dev->sd) {
> int i;
> - if (!config->num_inputs) {
> - v4l2_err(&bcap_dev->v4l2_dev,
> - "Unable to work without input\n");
> - goto err_unreg_vdev;
> - }
>
> /* update tvnorms from the sub devices */
> for (i = 0; i < config->num_inputs; i++)
> @@ -1079,6 +1074,7 @@ static int bcap_probe(struct platform_device *pdev)
> } else {
> v4l2_err(&bcap_dev->v4l2_dev,
> "Unable to register sub device\n");
> + ret = -ENODEV;
> goto err_unreg_vdev;
> }
>
>
Acked-by: Scott Jiang <scott.jiang.linux@gmail.com>
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@@ -960,7 +960,7 @@ static int bcap_probe(struct platform_device *pdev)
int ret;
config = pdev->dev.platform_data;
- if (!config) {
+ if (!config || !config->num_inputs) {
v4l2_err(pdev->dev.driver, "Unable to get board config\n");
return -ENODEV;
}
@@ -1067,11 +1067,6 @@ static int bcap_probe(struct platform_device *pdev)
NULL);
if (bcap_dev->sd) {
int i;
- if (!config->num_inputs) {
- v4l2_err(&bcap_dev->v4l2_dev,
- "Unable to work without input\n");
- goto err_unreg_vdev;
- }
/* update tvnorms from the sub devices */
for (i = 0; i < config->num_inputs; i++)
@@ -1079,6 +1074,7 @@ static int bcap_probe(struct platform_device *pdev)
} else {
v4l2_err(&bcap_dev->v4l2_dev,
"Unable to register sub device\n");
+ ret = -ENODEV;
goto err_unreg_vdev;
}