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* [KJ] replacing kmalloc with kzalloc in drivers/net/sb1250-mac.c
@ 2007-08-13  9:58 Surya Prabhakar N
  2007-08-13 15:24 ` Robert P. J. Day
  0 siblings, 1 reply; 2+ messages in thread
From: Surya Prabhakar N @ 2007-08-13  9:58 UTC (permalink / raw)
  To: netdev; +Cc: Linux Kernel, Linux Kernel

Hi,
   Replacing kmalloc with kzalloc and cleaning up memset in 
drivers/net/sb1250-mac.c


Signed-off-by: Surya Prabhakar <surya.prabhakar@wipro.com>
---

diff --git a/drivers/net/sb1250-mac.c b/drivers/net/sb1250-mac.c
index e7fdcf1..2dca5a7 100644
--- a/drivers/net/sb1250-mac.c
+++ b/drivers/net/sb1250-mac.c
@@ -760,7 +760,7 @@ static void sbdma_initctx(sbmacdma_t *d,
 
 	d->sbdma_dscrtable_unaligned =
 	d->sbdma_dscrtable = (sbdmadscr_t *)
-		kmalloc((d->sbdma_maxdescr+1)*sizeof(sbdmadscr_t), GFP_KERNEL);
+		kzalloc((d->sbdma_maxdescr+1)*sizeof(sbdmadscr_t), GFP_KERNEL);
 
 	/*
 	 * The descriptor table must be aligned to at least 16 bytes or the
@@ -769,8 +769,6 @@ static void sbdma_initctx(sbmacdma_t *d,
 	d->sbdma_dscrtable = (sbdmadscr_t *)
 		ALIGN((unsigned long)d->sbdma_dscrtable, sizeof(sbdmadscr_t));
 
-	memset(d->sbdma_dscrtable,0,d->sbdma_maxdescr*sizeof(sbdmadscr_t));
-
 	d->sbdma_dscrtable_end = d->sbdma_dscrtable + d->sbdma_maxdescr;
 
 	d->sbdma_dscrtable_phys = virt_to_phys(d->sbdma_dscrtable);
@@ -780,9 +778,7 @@ static void sbdma_initctx(sbmacdma_t *d,
 	 */
 
 	d->sbdma_ctxtable = (struct sk_buff **)
-		kmalloc(d->sbdma_maxdescr*sizeof(struct sk_buff *), GFP_KERNEL);
-
-	memset(d->sbdma_ctxtable,0,d->sbdma_maxdescr*sizeof(struct sk_buff *));
+		kzalloc(d->sbdma_maxdescr*sizeof(struct sk_buff *), GFP_KERNEL);
 
 #ifdef CONFIG_SBMAC_COALESCE
 	/*

--
thanks
surya.

^ permalink raw reply related	[flat|nested] 2+ messages in thread

* Re: [KJ] replacing kmalloc with kzalloc in drivers/net/sb1250-mac.c
  2007-08-13  9:58 [KJ] replacing kmalloc with kzalloc in drivers/net/sb1250-mac.c Surya Prabhakar N
@ 2007-08-13 15:24 ` Robert P. J. Day
  0 siblings, 0 replies; 2+ messages in thread
From: Robert P. J. Day @ 2007-08-13 15:24 UTC (permalink / raw)
  To: Surya Prabhakar N; +Cc: netdev, Linux Kernel

On Mon, 13 Aug 2007, Surya Prabhakar N wrote:

> Hi,
>    Replacing kmalloc with kzalloc and cleaning up memset in
> drivers/net/sb1250-mac.c
>
>
> Signed-off-by: Surya Prabhakar <surya.prabhakar@wipro.com>
> ---
>
> diff --git a/drivers/net/sb1250-mac.c b/drivers/net/sb1250-mac.c
> index e7fdcf1..2dca5a7 100644
> --- a/drivers/net/sb1250-mac.c
> +++ b/drivers/net/sb1250-mac.c
> @@ -760,7 +760,7 @@ static void sbdma_initctx(sbmacdma_t *d,
>
>  	d->sbdma_dscrtable_unaligned =
>  	d->sbdma_dscrtable = (sbdmadscr_t *)
                             ^^^^^^^^^^^^^^^
> -		kmalloc((d->sbdma_maxdescr+1)*sizeof(sbdmadscr_t), GFP_KERNEL);
> +		kzalloc((d->sbdma_maxdescr+1)*sizeof(sbdmadscr_t), GFP_KERNEL);

i'm fairly sure you can drop all of those superfluous casts when
calling one of those memory allocation routines.

rday
-- 
========================================================================
Robert P. J. Day
Linux Consulting, Training and Annoying Kernel Pedantry
Waterloo, Ontario, CANADA

http://fsdev.net/wiki/index.php?title=Main_Page
========================================================================

^ permalink raw reply	[flat|nested] 2+ messages in thread

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