* [PATCH] staging: r8188eu: os_dep: use kmemdup instead of kzalloc and memcpy
@ 2021-08-28 18:17 Saurav Girepunje
2021-09-02 9:20 ` Greg KH
0 siblings, 1 reply; 7+ messages in thread
From: Saurav Girepunje @ 2021-08-28 18:17 UTC (permalink / raw)
To: Larry.Finger, phil, gregkh, straube.linux, martin, linux-staging,
linux-kernel
Cc: saurav.girepunje
Fixes coccicheck warning:WARNING opportunity for kmemdup in ioctl_linux.c
Signed-off-by: Saurav Girepunje <saurav.girepunje@gmail.com>
---
drivers/staging/r8188eu/os_dep/ioctl_linux.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/drivers/staging/r8188eu/os_dep/ioctl_linux.c b/drivers/staging/r8188eu/os_dep/ioctl_linux.c
index 81d4255d1785..495fadd2b8c8 100644
--- a/drivers/staging/r8188eu/os_dep/ioctl_linux.c
+++ b/drivers/staging/r8188eu/os_dep/ioctl_linux.c
@@ -585,14 +585,12 @@ static int rtw_set_wpa_ie(struct adapter *padapter, char *pie, unsigned short ie
}
if (ielen) {
- buf = kzalloc(ielen, GFP_KERNEL);
+ buf = kmemdup(pie, ielen, GFP_KERNEL);
if (!buf) {
ret = -ENOMEM;
goto exit;
}
- memcpy(buf, pie, ielen);
-
/* dump */
{
int i;
--
2.32.0
^ permalink raw reply related [flat|nested] 7+ messages in thread
* Re: [PATCH] staging: r8188eu: os_dep: use kmemdup instead of kzalloc and memcpy
2021-08-28 18:17 [PATCH] staging: r8188eu: os_dep: use kmemdup instead of kzalloc and memcpy Saurav Girepunje
@ 2021-09-02 9:20 ` Greg KH
2021-09-03 17:48 ` SAURAV GIREPUNJE
0 siblings, 1 reply; 7+ messages in thread
From: Greg KH @ 2021-09-02 9:20 UTC (permalink / raw)
To: Saurav Girepunje
Cc: Larry.Finger, phil, straube.linux, martin, linux-staging,
linux-kernel, saurav.girepunje
On Sat, Aug 28, 2021 at 11:47:51PM +0530, Saurav Girepunje wrote:
> Fixes coccicheck warning:WARNING opportunity for kmemdup in ioctl_linux.c
>
> Signed-off-by: Saurav Girepunje <saurav.girepunje@gmail.com>
> ---
> drivers/staging/r8188eu/os_dep/ioctl_linux.c | 4 +---
> 1 file changed, 1 insertion(+), 3 deletions(-)
>
> diff --git a/drivers/staging/r8188eu/os_dep/ioctl_linux.c b/drivers/staging/r8188eu/os_dep/ioctl_linux.c
> index 81d4255d1785..495fadd2b8c8 100644
> --- a/drivers/staging/r8188eu/os_dep/ioctl_linux.c
> +++ b/drivers/staging/r8188eu/os_dep/ioctl_linux.c
> @@ -585,14 +585,12 @@ static int rtw_set_wpa_ie(struct adapter *padapter, char *pie, unsigned short ie
> }
>
> if (ielen) {
> - buf = kzalloc(ielen, GFP_KERNEL);
> + buf = kmemdup(pie, ielen, GFP_KERNEL);
> if (!buf) {
> ret = -ENOMEM;
> goto exit;
> }
>
> - memcpy(buf, pie, ielen);
> -
> /* dump */
> {
> int i;
> --
> 2.32.0
>
>
This patch never showed up on lore.kernel.org for some reason. Please
resend and see if it was a mailing issue on your side...
thanks,
greg k-h
^ permalink raw reply [flat|nested] 7+ messages in thread
* Re: [PATCH] staging: r8188eu: os_dep: use kmemdup instead of kzalloc and memcpy
2021-09-02 9:20 ` Greg KH
@ 2021-09-03 17:48 ` SAURAV GIREPUNJE
2021-09-04 4:51 ` Saurav Girepunje
0 siblings, 1 reply; 7+ messages in thread
From: SAURAV GIREPUNJE @ 2021-09-03 17:48 UTC (permalink / raw)
To: Greg KH
Cc: Larry.Finger, phil, straube.linux, martin, linux-staging,
linux-kernel, saurav.girepunje
On 02 Sep 2021 11:20, Greg KH wrote:
> On Sat, Aug 28, 2021 at 11:47:51PM +0530, Saurav Girepunje wrote:
> > Fixes coccicheck warning:WARNING opportunity for kmemdup in ioctl_linux.c
> >
> > Signed-off-by: Saurav Girepunje <saurav.girepunje@gmail.com>
> > ---
> > drivers/staging/r8188eu/os_dep/ioctl_linux.c | 4 +---
> > 1 file changed, 1 insertion(+), 3 deletions(-)
> >
> > diff --git a/drivers/staging/r8188eu/os_dep/ioctl_linux.c b/drivers/staging/r8188eu/os_dep/ioctl_linux.c
> > index 81d4255d1785..495fadd2b8c8 100644
> > --- a/drivers/staging/r8188eu/os_dep/ioctl_linux.c
> > +++ b/drivers/staging/r8188eu/os_dep/ioctl_linux.c
> > @@ -585,14 +585,12 @@ static int rtw_set_wpa_ie(struct adapter *padapter, char *pie, unsigned short ie
> > }
> >
> > if (ielen) {
> > - buf = kzalloc(ielen, GFP_KERNEL);
> > + buf = kmemdup(pie, ielen, GFP_KERNEL);
> > if (!buf) {
> > ret = -ENOMEM;
> > goto exit;
> > }
> >
> > - memcpy(buf, pie, ielen);
> > -
> > /* dump */
> > {
> > int i;
> > --
> > 2.32.0
> >
> >
>
> This patch never showed up on lore.kernel.org for some reason. Please
> resend and see if it was a mailing issue on your side...
>
> thanks,
>
> greg k-h
Ok, I will resend this patch.
Thanks,
Saurav Girepunje
^ permalink raw reply [flat|nested] 7+ messages in thread
* Re: [PATCH] staging: r8188eu: os_dep: use kmemdup instead of kzalloc and memcpy
2021-09-03 17:48 ` SAURAV GIREPUNJE
@ 2021-09-04 4:51 ` Saurav Girepunje
0 siblings, 0 replies; 7+ messages in thread
From: Saurav Girepunje @ 2021-09-04 4:51 UTC (permalink / raw)
To: Greg KH
Cc: Larry.Finger, phil, straube.linux, martin, linux-staging,
linux-kernel, saurav.girepunje
On 03/09/21 11:18 pm, SAURAV GIREPUNJE wrote:
> On 02 Sep 2021 11:20, Greg KH wrote:
>> On Sat, Aug 28, 2021 at 11:47:51PM +0530, Saurav Girepunje wrote:
>>> Fixes coccicheck warning:WARNING opportunity for kmemdup in ioctl_linux.c
>>>
>>> Signed-off-by: Saurav Girepunje <saurav.girepunje@gmail.com>
>>> ---
>>> drivers/staging/r8188eu/os_dep/ioctl_linux.c | 4 +---
>>> 1 file changed, 1 insertion(+), 3 deletions(-)
>>>
>>> diff --git a/drivers/staging/r8188eu/os_dep/ioctl_linux.c b/drivers/staging/r8188eu/os_dep/ioctl_linux.c
>>> index 81d4255d1785..495fadd2b8c8 100644
>>> --- a/drivers/staging/r8188eu/os_dep/ioctl_linux.c
>>> +++ b/drivers/staging/r8188eu/os_dep/ioctl_linux.c
>>> @@ -585,14 +585,12 @@ static int rtw_set_wpa_ie(struct adapter *padapter, char *pie, unsigned short ie
>>> }
>>>
>>> if (ielen) {
>>> - buf = kzalloc(ielen, GFP_KERNEL);
>>> + buf = kmemdup(pie, ielen, GFP_KERNEL);
>>> if (!buf) {
>>> ret = -ENOMEM;
>>> goto exit;
>>> }
>>>
>>> - memcpy(buf, pie, ielen);
>>> -
>>> /* dump */
>>> {
>>> int i;
>>> --
>>> 2.32.0
>>>
>>>
>>
>> This patch never showed up on lore.kernel.org for some reason. Please
>> resend and see if it was a mailing issue on your side...
>>
>> thanks,
>>
>> greg k-h
>
>
> Ok, I will resend this patch.
>
> Thanks,
> Saurav Girepunje
>
Hi Greg,
I have resend the patch, But the last patch also on lore.kernel.org
https://lore.kernel.org/all/YSp9z2%2FJmvHGhW5m@user/
Regards,
Saurav Girepunje
^ permalink raw reply [flat|nested] 7+ messages in thread
* Re: [PATCH] staging: r8188eu: os_dep: use kmemdup instead of kzalloc and memcpy
2021-09-03 18:53 ` Phillip Potter
@ 2021-09-04 9:40 ` Saurav Girepunje
0 siblings, 0 replies; 7+ messages in thread
From: Saurav Girepunje @ 2021-09-04 9:40 UTC (permalink / raw)
To: Phillip Potter
Cc: saurav.girepunje, Larry Finger, Greg KH, Michael Straube,
Martin Kaiser, open list:STAGING SUBSYSTEM,
Linux Kernel Mailing List
On 04/09/21 12:23 am, Phillip Potter wrote:
> On Fri, 3 Sept 2021 at 18:56, Saurav Girepunje
> <saurav.girepunje@gmail.com> wrote:
>>
>> Fixes coccicheck warning:WARNING opportunity for kmemdup in ioctl_linux.c
>>
>> Signed-off-by: Saurav Girepunje <saurav.girepunje@gmail.com>
>> ---
>> drivers/staging/r8188eu/os_dep/ioctl_linux.c | 4 +---
>> 1 file changed, 1 insertion(+), 3 deletions(-)
>>
>> diff --git a/drivers/staging/r8188eu/os_dep/ioctl_linux.c b/drivers/staging/r8188eu/os_dep/ioctl_linux.c
>> index 81d4255d1785..495fadd2b8c8 100644
>> --- a/drivers/staging/r8188eu/os_dep/ioctl_linux.c
>> +++ b/drivers/staging/r8188eu/os_dep/ioctl_linux.c
>> @@ -585,14 +585,12 @@ static int rtw_set_wpa_ie(struct adapter *padapter, char *pie, unsigned short ie
>> }
>>
>> if (ielen) {
>> - buf = kzalloc(ielen, GFP_KERNEL);
>> + buf = kmemdup(pie, ielen, GFP_KERNEL);
>> if (!buf) {
>> ret = -ENOMEM;
>> goto exit;
>> }
>>
>> - memcpy(buf, pie, ielen);
>> -
>> /* dump */
>> {
>> int i;
>> --
>> 2.32.0
>>
>
> Dear Saurav,
>
> Looks good, thanks:
> Acked-by: Phillip Potter <phil@philpotter.co.uk>
>
> Regards,
> Phil
>
Thanks for review Phil
Regards,
Saurav Girepunje
^ permalink raw reply [flat|nested] 7+ messages in thread
* Re: [PATCH] staging: r8188eu: os_dep: use kmemdup instead of kzalloc and memcpy
2021-09-03 17:56 Saurav Girepunje
@ 2021-09-03 18:53 ` Phillip Potter
2021-09-04 9:40 ` Saurav Girepunje
0 siblings, 1 reply; 7+ messages in thread
From: Phillip Potter @ 2021-09-03 18:53 UTC (permalink / raw)
To: Saurav Girepunje
Cc: Larry Finger, Greg KH, Michael Straube, Martin Kaiser,
open list:STAGING SUBSYSTEM, Linux Kernel Mailing List,
saurav.girepunje
On Fri, 3 Sept 2021 at 18:56, Saurav Girepunje
<saurav.girepunje@gmail.com> wrote:
>
> Fixes coccicheck warning:WARNING opportunity for kmemdup in ioctl_linux.c
>
> Signed-off-by: Saurav Girepunje <saurav.girepunje@gmail.com>
> ---
> drivers/staging/r8188eu/os_dep/ioctl_linux.c | 4 +---
> 1 file changed, 1 insertion(+), 3 deletions(-)
>
> diff --git a/drivers/staging/r8188eu/os_dep/ioctl_linux.c b/drivers/staging/r8188eu/os_dep/ioctl_linux.c
> index 81d4255d1785..495fadd2b8c8 100644
> --- a/drivers/staging/r8188eu/os_dep/ioctl_linux.c
> +++ b/drivers/staging/r8188eu/os_dep/ioctl_linux.c
> @@ -585,14 +585,12 @@ static int rtw_set_wpa_ie(struct adapter *padapter, char *pie, unsigned short ie
> }
>
> if (ielen) {
> - buf = kzalloc(ielen, GFP_KERNEL);
> + buf = kmemdup(pie, ielen, GFP_KERNEL);
> if (!buf) {
> ret = -ENOMEM;
> goto exit;
> }
>
> - memcpy(buf, pie, ielen);
> -
> /* dump */
> {
> int i;
> --
> 2.32.0
>
Dear Saurav,
Looks good, thanks:
Acked-by: Phillip Potter <phil@philpotter.co.uk>
Regards,
Phil
^ permalink raw reply [flat|nested] 7+ messages in thread
* [PATCH] staging: r8188eu: os_dep: use kmemdup instead of kzalloc and memcpy
@ 2021-09-03 17:56 Saurav Girepunje
2021-09-03 18:53 ` Phillip Potter
0 siblings, 1 reply; 7+ messages in thread
From: Saurav Girepunje @ 2021-09-03 17:56 UTC (permalink / raw)
To: Larry.Finger, phil, gregkh, straube.linux, martin, linux-staging,
linux-kernel
Cc: saurav.girepunje
Fixes coccicheck warning:WARNING opportunity for kmemdup in ioctl_linux.c
Signed-off-by: Saurav Girepunje <saurav.girepunje@gmail.com>
---
drivers/staging/r8188eu/os_dep/ioctl_linux.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/drivers/staging/r8188eu/os_dep/ioctl_linux.c b/drivers/staging/r8188eu/os_dep/ioctl_linux.c
index 81d4255d1785..495fadd2b8c8 100644
--- a/drivers/staging/r8188eu/os_dep/ioctl_linux.c
+++ b/drivers/staging/r8188eu/os_dep/ioctl_linux.c
@@ -585,14 +585,12 @@ static int rtw_set_wpa_ie(struct adapter *padapter, char *pie, unsigned short ie
}
if (ielen) {
- buf = kzalloc(ielen, GFP_KERNEL);
+ buf = kmemdup(pie, ielen, GFP_KERNEL);
if (!buf) {
ret = -ENOMEM;
goto exit;
}
- memcpy(buf, pie, ielen);
-
/* dump */
{
int i;
--
2.32.0
^ permalink raw reply related [flat|nested] 7+ messages in thread
end of thread, other threads:[~2021-09-04 9:41 UTC | newest]
Thread overview: 7+ messages (download: mbox.gz / follow: Atom feed)
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2021-08-28 18:17 [PATCH] staging: r8188eu: os_dep: use kmemdup instead of kzalloc and memcpy Saurav Girepunje
2021-09-02 9:20 ` Greg KH
2021-09-03 17:48 ` SAURAV GIREPUNJE
2021-09-04 4:51 ` Saurav Girepunje
2021-09-03 17:56 Saurav Girepunje
2021-09-03 18:53 ` Phillip Potter
2021-09-04 9:40 ` Saurav Girepunje
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