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* [PATCH] staging: rtl8723bs: os_dep: ioctl_linux:  Make use rtw_zmalloc
@ 2019-06-16  5:32 Hariprasad Kelam
  2019-06-16  7:15 ` Dan Carpenter
  0 siblings, 1 reply; 3+ messages in thread
From: Hariprasad Kelam @ 2019-06-16  5:32 UTC (permalink / raw)
  To: Greg Kroah-Hartman, Michael Straube, Hariprasad Kelam,
	Mamta Shukla, Shobhit Kukreti, Emanuel Bennici, Puranjay Mohan,
	devel, linux-kernel

rtw_malloc with memset can be replace with rtw_zmalloc.

Signed-off-by: Hariprasad Kelam <hariprasad.kelam@gmail.com>
---
 drivers/staging/rtl8723bs/os_dep/ioctl_linux.c | 12 +++---------
 1 file changed, 3 insertions(+), 9 deletions(-)

diff --git a/drivers/staging/rtl8723bs/os_dep/ioctl_linux.c b/drivers/staging/rtl8723bs/os_dep/ioctl_linux.c
index fc3885d..c59e366 100644
--- a/drivers/staging/rtl8723bs/os_dep/ioctl_linux.c
+++ b/drivers/staging/rtl8723bs/os_dep/ioctl_linux.c
@@ -478,14 +478,12 @@ static int wpa_set_encryption(struct net_device *dev, struct ieee_param *param,
 		if (wep_key_len > 0) {
 			wep_key_len = wep_key_len <= 5 ? 5 : 13;
 			wep_total_len = wep_key_len + FIELD_OFFSET(struct ndis_802_11_wep, KeyMaterial);
-			pwep = rtw_malloc(wep_total_len);
+			pwep = rtw_zmalloc(wep_total_len);
 			if (pwep == NULL) {
 				RT_TRACE(_module_rtl871x_ioctl_os_c, _drv_err_, (" wpa_set_encryption: pwep allocate fail !!!\n"));
 				goto exit;
 			}
 
-			memset(pwep, 0, wep_total_len);
-
 			pwep->KeyLength = wep_key_len;
 			pwep->Length = wep_total_len;
 
@@ -2144,12 +2142,10 @@ static int rtw_wx_set_enc_ext(struct net_device *dev,
 	int ret = 0;
 
 	param_len = sizeof(struct ieee_param) + pext->key_len;
-	param = rtw_malloc(param_len);
+	param = rtw_zmalloc(param_len);
 	if (param == NULL)
 		return -1;
 
-	memset(param, 0, param_len);
-
 	param->cmd = IEEE_CMD_SET_ENCRYPTION;
 	memset(param->sta_addr, 0xff, ETH_ALEN);
 
@@ -3521,14 +3517,12 @@ static int rtw_set_encryption(struct net_device *dev, struct ieee_param *param,
 		if (wep_key_len > 0) {
 			wep_key_len = wep_key_len <= 5 ? 5 : 13;
 			wep_total_len = wep_key_len + FIELD_OFFSET(struct ndis_802_11_wep, KeyMaterial);
-			pwep = rtw_malloc(wep_total_len);
+			pwep = rtw_zmalloc(wep_total_len);
 			if (pwep == NULL) {
 				DBG_871X(" r871x_set_encryption: pwep allocate fail !!!\n");
 				goto exit;
 			}
 
-			memset(pwep, 0, wep_total_len);
-
 			pwep->KeyLength = wep_key_len;
 			pwep->Length = wep_total_len;
 
-- 
2.7.4


^ permalink raw reply related	[flat|nested] 3+ messages in thread

* Re: [PATCH] staging: rtl8723bs: os_dep: ioctl_linux:  Make use rtw_zmalloc
  2019-06-16  5:32 [PATCH] staging: rtl8723bs: os_dep: ioctl_linux: Make use rtw_zmalloc Hariprasad Kelam
@ 2019-06-16  7:15 ` Dan Carpenter
  2019-06-18  1:28   ` Hariprasad Kelam
  0 siblings, 1 reply; 3+ messages in thread
From: Dan Carpenter @ 2019-06-16  7:15 UTC (permalink / raw)
  To: Hariprasad Kelam
  Cc: Greg Kroah-Hartman, Michael Straube, Mamta Shukla,
	Shobhit Kukreti, Emanuel Bennici, Puranjay Mohan, devel,
	linux-kernel

On Sun, Jun 16, 2019 at 11:02:50AM +0530, Hariprasad Kelam wrote:
> rtw_malloc with memset can be replace with rtw_zmalloc.
> 
> Signed-off-by: Hariprasad Kelam <hariprasad.kelam@gmail.com>
> ---
>  drivers/staging/rtl8723bs/os_dep/ioctl_linux.c | 12 +++---------
>  1 file changed, 3 insertions(+), 9 deletions(-)
> 
> diff --git a/drivers/staging/rtl8723bs/os_dep/ioctl_linux.c b/drivers/staging/rtl8723bs/os_dep/ioctl_linux.c
> index fc3885d..c59e366 100644
> --- a/drivers/staging/rtl8723bs/os_dep/ioctl_linux.c
> +++ b/drivers/staging/rtl8723bs/os_dep/ioctl_linux.c
> @@ -478,14 +478,12 @@ static int wpa_set_encryption(struct net_device *dev, struct ieee_param *param,
>  		if (wep_key_len > 0) {
>  			wep_key_len = wep_key_len <= 5 ? 5 : 13;
>  			wep_total_len = wep_key_len + FIELD_OFFSET(struct ndis_802_11_wep, KeyMaterial);
> -			pwep = rtw_malloc(wep_total_len);
> +			pwep = rtw_zmalloc(wep_total_len);

We should not introduce new uses of rtw_malloc() or rtw_zmalloc().  They
are buggy garbage.  Use normall kmalloc() and kzalloc().

regards,
dan carpenter


^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: [PATCH] staging: rtl8723bs: os_dep: ioctl_linux:  Make use rtw_zmalloc
  2019-06-16  7:15 ` Dan Carpenter
@ 2019-06-18  1:28   ` Hariprasad Kelam
  0 siblings, 0 replies; 3+ messages in thread
From: Hariprasad Kelam @ 2019-06-18  1:28 UTC (permalink / raw)
  To: Dan Carpenter, Greg Kroah-Hartman, Michael Straube,
	Nishka Dasgupta, Mamta Shukla, Emanuel Bennici, Shobhit Kukreti,
	Puranjay Mohan, devel, linux-kernel

On Sun, Jun 16, 2019 at 10:15:22AM +0300, Dan Carpenter wrote:
> On Sun, Jun 16, 2019 at 11:02:50AM +0530, Hariprasad Kelam wrote:
> > rtw_malloc with memset can be replace with rtw_zmalloc.
> > 
> > Signed-off-by: Hariprasad Kelam <hariprasad.kelam@gmail.com>
> > ---
> >  drivers/staging/rtl8723bs/os_dep/ioctl_linux.c | 12 +++---------
> >  1 file changed, 3 insertions(+), 9 deletions(-)
> > 
> > diff --git a/drivers/staging/rtl8723bs/os_dep/ioctl_linux.c b/drivers/staging/rtl8723bs/os_dep/ioctl_linux.c
> > index fc3885d..c59e366 100644
> > --- a/drivers/staging/rtl8723bs/os_dep/ioctl_linux.c
> > +++ b/drivers/staging/rtl8723bs/os_dep/ioctl_linux.c
> > @@ -478,14 +478,12 @@ static int wpa_set_encryption(struct net_device *dev, struct ieee_param *param,
> >  		if (wep_key_len > 0) {
> >  			wep_key_len = wep_key_len <= 5 ? 5 : 13;
> >  			wep_total_len = wep_key_len + FIELD_OFFSET(struct ndis_802_11_wep, KeyMaterial);
> > -			pwep = rtw_malloc(wep_total_len);
> > +			pwep = rtw_zmalloc(wep_total_len);
> 
> We should not introduce new uses of rtw_malloc() or rtw_zmalloc().  They
> are buggy garbage.  Use normall kmalloc() and kzalloc().
Hi Dan Carpenter,

Sure , will  resend this patch with suggested changes.

Thanks,
Hariprasad k

> 
> regards,
> dan carpenter
 

^ permalink raw reply	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2019-06-18  1:28 UTC | newest]

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2019-06-16  5:32 [PATCH] staging: rtl8723bs: os_dep: ioctl_linux: Make use rtw_zmalloc Hariprasad Kelam
2019-06-16  7:15 ` Dan Carpenter
2019-06-18  1:28   ` Hariprasad Kelam

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