Nov 17 2011

ksz884x: Use kzalloc rather than kmalloc followed by memset with 0 

Author: Thomas Meyer <thomas@m3y3r.de>

This considers some simple cases that are common and easy to validate
Note in particular that there are no ...s in the rule, so all of the
matched code has to be contiguous

The semantic patch that makes this change is available
in scripts/coccinelle/api/alloc/kzalloc-simple.cocci.

Signed-off-by: Thomas Meyer 
Signed-off-by: David S. Miller 

---
 drivers/net/ethernet/micrel/ksz884x.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)
 
diff --git a/drivers/net/ethernet/micrel/ksz884x.c b/drivers/net/ethernet/micrel/ksz884x.c
index 7abd510..a718865 100644
--- a/drivers/net/ethernet/micrel/ksz884x.c
+++ b/drivers/net/ethernet/micrel/ksz884x.c
@@ -4380,12 +4380,10 @@ static void ksz_update_timer(struct ksz_timer_info *info)
  */
 static int ksz_alloc_soft_desc(struct ksz_desc_info *desc_info, int transmit)
 {
-	desc_info->ring = kmalloc(sizeof(struct ksz_desc) * desc_info->alloc,
-		GFP_KERNEL);
+	desc_info->ring = kzalloc(sizeof(struct ksz_desc) * desc_info->alloc,
+				  GFP_KERNEL);
 	if (!desc_info->ring)
 		return 1;
-	memset((void *) desc_info->ring, 0,
-		sizeof(struct ksz_desc) * desc_info->alloc);
 	hw_init_desc(desc_info, transmit);
 	return 0;
 }

qlambert