[PATCH] mac80211: Use kstrdup to simplify code

[PATCH] mac80211: Use kstrdup to simplify code

[Christophe JAILLET]

Replace a kmalloc+strcpy by an equivalent kstrdup in order to improve
readability.

Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
---
 drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c b/drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c
index 4813506..8a6c077 100644
--- a/drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c
+++ b/drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c
@@ -1476,9 +1476,7 @@ struct brcms_timer *brcms_init_timer(struct brcms_info *wl,
 	wl->timers = t;
 
 #ifdef DEBUG
-	t->name = kmalloc(strlen(name) + 1, GFP_ATOMIC);
-	if (t->name)
-		strcpy(t->name, name);
+	t->name = kstrdup(name, GFP_ATOMIC);
 #endif
 
 	return t;
-- 
2.1.4

Re: [PATCH] mac80211: Use kstrdup to simplify code

[Emmanuel Grumbach]

The subject is wrong. You are not patch mac80211, but bcrmsmac.

On Wed, Jul 8, 2015 at 10:32 PM, Christophe JAILLET
<christophe.jaillet@wanadoo.fr> wrote:
> Replace a kmalloc+strcpy by an equivalent kstrdup in order to improve
> readability.
>
> Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
> ---
>  drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c | 4 +---
>  1 file changed, 1 insertion(+), 3 deletions(-)
>
> diff --git a/drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c b/drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c
> index 4813506..8a6c077 100644
> --- a/drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c
> +++ b/drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c
> @@ -1476,9 +1476,7 @@ struct brcms_timer *brcms_init_timer(struct brcms_info *wl,
>         wl->timers = t;
>
>  #ifdef DEBUG
> -       t->name = kmalloc(strlen(name) + 1, GFP_ATOMIC);
> -       if (t->name)
> -               strcpy(t->name, name);
> +       t->name = kstrdup(name, GFP_ATOMIC);
>  #endif
>
>         return t;
> --
> 2.1.4
>
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[PATCH v2] brcmsmac: Use kstrdup to simplify code

[Christophe JAILLET]

Replace a kmalloc+strcpy by an equivalent kstrdup in order to improve
readability.

Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
---
v2: fix the subject

 drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c b/drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c
index 4813506..8a6c077 100644
--- a/drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c
+++ b/drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c
@@ -1476,9 +1476,7 @@ struct brcms_timer *brcms_init_timer(struct brcms_info *wl,
 	wl->timers = t;
 
 #ifdef DEBUG
-	t->name = kmalloc(strlen(name) + 1, GFP_ATOMIC);
-	if (t->name)
-		strcpy(t->name, name);
+	t->name = kstrdup(name, GFP_ATOMIC);
 #endif
 
 	return t;
-- 
2.1.4

Re: [PATCH v2] brcmsmac: Use kstrdup to simplify code

[Arend van Spriel]

On 07/08/2015 10:22 PM, Christophe JAILLET wrote:
> Replace a kmalloc+strcpy by an equivalent kstrdup in order to improve
> readability.

Not sure if readability is really the issue here. At most it is a small 
reduction of driver code by using kstrdup(). Anyway, the patch looks fine so

Acked-by: Arend van Spriel <arend@broadcom.com>
> Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
> ---
> v2: fix the subject
>
>   drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c | 4 +---
>   1 file changed, 1 insertion(+), 3 deletions(-)
>
> diff --git a/drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c b/drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c
> index 4813506..8a6c077 100644
> --- a/drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c
> +++ b/drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c
> @@ -1476,9 +1476,7 @@ struct brcms_timer *brcms_init_timer(struct brcms_info *wl,
>   	wl->timers = t;
>
>   #ifdef DEBUG
> -	t->name = kmalloc(strlen(name) + 1, GFP_ATOMIC);
> -	if (t->name)
> -		strcpy(t->name, name);
> +	t->name = kstrdup(name, GFP_ATOMIC);
>   #endif
>
>   	return t;
>

Re: [v2] brcmsmac: Use kstrdup to simplify code

[Kalle Valo]

> Replace a kmalloc+strcpy by an equivalent kstrdup in order to improve
> readability.
> 
> Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
> Acked-by: Arend van Spriel <arend@broadcom.com>

Thanks, applied to wireless-drivers-next.git.

Kalle Valo