* [PATCH] staging: r8188eu: Remove unneeded if-null-free check
@ 2021-09-18 9:10 Jiapeng Chong
2021-09-18 9:48 ` Greg KH
0 siblings, 1 reply; 2+ messages in thread
From: Jiapeng Chong @ 2021-09-18 9:10 UTC (permalink / raw)
To: Larry.Finger; +Cc: phil, gregkh, linux-staging, linux-kernel, Jiapeng Chong
Eliminate the following coccicheck warning:
./drivers/staging/r8188eu/os_dep/usb_intf.c:545:3-8: WARNING: NULL check
before some freeing functions is not needed.
Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Fixes: 2b42bd58b321 ("staging: r8188eu: introduce new os_dep dir for RTL8188eu driver")
Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>
---
drivers/staging/r8188eu/os_dep/usb_intf.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/drivers/staging/r8188eu/os_dep/usb_intf.c b/drivers/staging/r8188eu/os_dep/usb_intf.c
index d04d2f65..7e42a0a 100644
--- a/drivers/staging/r8188eu/os_dep/usb_intf.c
+++ b/drivers/staging/r8188eu/os_dep/usb_intf.c
@@ -541,9 +541,7 @@ static struct adapter *rtw_usb_if1_init(struct dvobj_priv *dvobj,
if (status != _SUCCESS) {
if (pnetdev)
rtw_free_netdev(pnetdev);
- else if (padapter)
- vfree(padapter);
- padapter = NULL;
+ vfree(padapter);
}
exit:
return padapter;
--
1.8.3.1
^ permalink raw reply related [flat|nested] 2+ messages in thread* Re: [PATCH] staging: r8188eu: Remove unneeded if-null-free check
2021-09-18 9:10 [PATCH] staging: r8188eu: Remove unneeded if-null-free check Jiapeng Chong
@ 2021-09-18 9:48 ` Greg KH
0 siblings, 0 replies; 2+ messages in thread
From: Greg KH @ 2021-09-18 9:48 UTC (permalink / raw)
To: Jiapeng Chong; +Cc: Larry.Finger, phil, linux-staging, linux-kernel
On Sat, Sep 18, 2021 at 05:10:06PM +0800, Jiapeng Chong wrote:
> Eliminate the following coccicheck warning:
>
> ./drivers/staging/r8188eu/os_dep/usb_intf.c:545:3-8: WARNING: NULL check
> before some freeing functions is not needed.
>
> Reported-by: Abaci Robot <abaci@linux.alibaba.com>
> Fixes: 2b42bd58b321 ("staging: r8188eu: introduce new os_dep dir for RTL8188eu driver")
> Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>
> ---
> drivers/staging/r8188eu/os_dep/usb_intf.c | 4 +---
> 1 file changed, 1 insertion(+), 3 deletions(-)
>
> diff --git a/drivers/staging/r8188eu/os_dep/usb_intf.c b/drivers/staging/r8188eu/os_dep/usb_intf.c
> index d04d2f65..7e42a0a 100644
> --- a/drivers/staging/r8188eu/os_dep/usb_intf.c
> +++ b/drivers/staging/r8188eu/os_dep/usb_intf.c
> @@ -541,9 +541,7 @@ static struct adapter *rtw_usb_if1_init(struct dvobj_priv *dvobj,
> if (status != _SUCCESS) {
> if (pnetdev)
> rtw_free_netdev(pnetdev);
> - else if (padapter)
> - vfree(padapter);
> - padapter = NULL;
> + vfree(padapter);
> }
> exit:
> return padapter;
> --
> 1.8.3.1
>
You just changed how this function works. :(
Please be MUCH more careful, and fix your robot.
greg k-h
^ permalink raw reply [flat|nested] 2+ messages in thread
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2021-09-18 9:10 [PATCH] staging: r8188eu: Remove unneeded if-null-free check Jiapeng Chong
2021-09-18 9:48 ` Greg KH
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