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Groups > linux.kernel > #1403764 > unrolled thread

[PATCH] brcmfmac: use kmemdup

Started byMuhammad Falak R Wani <falakreyaz@gmail.com>
First post2016-05-19 16:00 +0200
Last post2016-05-20 10:00 +0200
Articles 2 — 2 participants

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  [PATCH] brcmfmac: use kmemdup Muhammad Falak R Wani <falakreyaz@gmail.com> - 2016-05-19 16:00 +0200
    Re: [PATCH] brcmfmac: use kmemdup Arend Van Spriel <arend.vanspriel@broadcom.com> - 2016-05-20 10:00 +0200

#1403764 — [PATCH] brcmfmac: use kmemdup

FromMuhammad Falak R Wani <falakreyaz@gmail.com>
Date2016-05-19 16:00 +0200
Subject[PATCH] brcmfmac: use kmemdup
Message-ID<rAwEy-vI-37@gated-at.bofh.it>
Use kmemdup when some other buffer is immediately copied into allocated
region. It replaces call to allocation followed by memcpy, by a single
call to kmemdup.

Signed-off-by: Muhammad Falak R Wani <falakreyaz@gmail.com>
---
 drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
index d0631b6..705adaa 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
@@ -6699,11 +6699,10 @@ struct brcmf_cfg80211_info *brcmf_cfg80211_attach(struct brcmf_pub *drvr,
 		return NULL;
 	}
 
-	ops = kzalloc(sizeof(*ops), GFP_KERNEL);
+	ops = kmemdup(&brcmf_cfg80211_ops, sizeof(*ops), GFP_KERNEL);
 	if (!ops)
 		return NULL;
 
-	memcpy(ops, &brcmf_cfg80211_ops, sizeof(*ops));
 	ifp = netdev_priv(ndev);
 #ifdef CONFIG_PM
 	if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_WOWL_GTK))
-- 
1.9.1

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#1404207

FromArend Van Spriel <arend.vanspriel@broadcom.com>
Date2016-05-20 10:00 +0200
Message-ID<rANvH-2Kb-19@gated-at.bofh.it>
In reply to#1403764
On 19-5-2016 15:59, Muhammad Falak R Wani wrote:
> Use kmemdup when some other buffer is immediately copied into allocated
> region. It replaces call to allocation followed by memcpy, by a single
> call to kmemdup.

Acked-by: Arend van Spriel <arend.vanspriel@broadcom.com>
> Signed-off-by: Muhammad Falak R Wani <falakreyaz@gmail.com>
> ---
>  drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
> 
> diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
> index d0631b6..705adaa 100644
> --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
> +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
> @@ -6699,11 +6699,10 @@ struct brcmf_cfg80211_info *brcmf_cfg80211_attach(struct brcmf_pub *drvr,
>  		return NULL;
>  	}
>  
> -	ops = kzalloc(sizeof(*ops), GFP_KERNEL);
> +	ops = kmemdup(&brcmf_cfg80211_ops, sizeof(*ops), GFP_KERNEL);
>  	if (!ops)
>  		return NULL;
>  
> -	memcpy(ops, &brcmf_cfg80211_ops, sizeof(*ops));
>  	ifp = netdev_priv(ndev);
>  #ifdef CONFIG_PM
>  	if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_WOWL_GTK))
> 

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