* [PATCH -next] usb: gadget: Remove dead branch code
@ 2019-01-23 14:31 YueHaibing
2019-03-06 0:46 ` Laurent Pinchart
0 siblings, 1 reply; 2+ messages in thread
From: YueHaibing @ 2019-01-23 14:31 UTC (permalink / raw)
To: gregkh, laurent.pinchart, balbi; +Cc: linux-kernel, linux-usb, YueHaibing
'num' is a u8 variable, it never greater than 255,
So the if branch is dead code and can be removed.
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
---
drivers/usb/gadget/function/uvc_configfs.c | 8 --------
1 file changed, 8 deletions(-)
diff --git a/drivers/usb/gadget/function/uvc_configfs.c b/drivers/usb/gadget/function/uvc_configfs.c
index bc1e2af..8fe85cb 100644
--- a/drivers/usb/gadget/function/uvc_configfs.c
+++ b/drivers/usb/gadget/function/uvc_configfs.c
@@ -1570,10 +1570,6 @@ uvcg_uncompressed_##cname##_store(struct config_item *item, \
if (ret) \
goto end; \
\
- if (num > 255) { \
- ret = -EINVAL; \
- goto end; \
- } \
u->desc.aname = num; \
ret = len; \
end: \
@@ -1767,10 +1763,6 @@ uvcg_mjpeg_##cname##_store(struct config_item *item, \
if (ret) \
goto end; \
\
- if (num > 255) { \
- ret = -EINVAL; \
- goto end; \
- } \
u->desc.aname = num; \
ret = len; \
end: \
--
2.7.0
^ permalink raw reply related [flat|nested] 2+ messages in thread* Re: [PATCH -next] usb: gadget: Remove dead branch code
2019-01-23 14:31 [PATCH -next] usb: gadget: Remove dead branch code YueHaibing
@ 2019-03-06 0:46 ` Laurent Pinchart
0 siblings, 0 replies; 2+ messages in thread
From: Laurent Pinchart @ 2019-03-06 0:46 UTC (permalink / raw)
To: YueHaibing; +Cc: gregkh, balbi, linux-kernel, linux-usb
Hello YueHaibing,
Thank you for the patch.
On Wed, Jan 23, 2019 at 10:31:36PM +0800, YueHaibing wrote:
> 'num' is a u8 variable, it never greater than 255,
> So the if branch is dead code and can be removed.
>
> Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
> ---
> drivers/usb/gadget/function/uvc_configfs.c | 8 --------
> 1 file changed, 8 deletions(-)
>
> diff --git a/drivers/usb/gadget/function/uvc_configfs.c b/drivers/usb/gadget/function/uvc_configfs.c
> index bc1e2af..8fe85cb 100644
> --- a/drivers/usb/gadget/function/uvc_configfs.c
> +++ b/drivers/usb/gadget/function/uvc_configfs.c
> @@ -1570,10 +1570,6 @@ uvcg_uncompressed_##cname##_store(struct config_item *item, \
> if (ret) \
> goto end; \
> \
> - if (num > 255) { \
> - ret = -EINVAL; \
> - goto end; \
> - } \
> u->desc.aname = num; \
> ret = len; \
> end: \
> @@ -1767,10 +1763,6 @@ uvcg_mjpeg_##cname##_store(struct config_item *item, \
> if (ret) \
> goto end; \
> \
> - if (num > 255) { \
> - ret = -EINVAL; \
> - goto end; \
> - } \
> u->desc.aname = num; \
> ret = len; \
> end: \
--
Regards,
Laurent Pinchart
^ permalink raw reply [flat|nested] 2+ messages in thread
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