Staging: Use kcalloc or kzalloc

Use kcalloc or kzalloc rather than the combination of kmalloc and memset.

The semantic patch that makes this change is as follows:
(http://coccinelle.lip6.fr/)

// <smpl>
@@
expression x,y,flags;
statement S;
type T;
@@

x =
-   kmalloc
+   kcalloc
           (
-           y * sizeof(T),
+           y, sizeof(T),
                flags);
 if (x == NULL) S
-memset(x, 0, y * sizeof(T));

@@
expression x,size,flags;
statement S;
@@

-x = kmalloc(size,flags);
+x = kzalloc(size,flags);
 if (x == NULL) S
-memset(x, 0, size);
// </smpl>

Signed-off-by: Julia Lawall <julia@diku.dk>

1 files changed, 2 insertions, 5 deletions

diff --git a/drivers/staging/rtl8192u/ieee80211/ieee80211_module.c b/drivers/staging/rtl8192u/ieee80211/ieee80211_module.c
index 1111002bad9f..7455264aa543 100644
--- a/drivers/staging/rtl8192u/ieee80211/ieee80211_module.c
+++ b/drivers/staging/rtl8192u/ieee80211/ieee80211_module.c
@@ -65,8 +65,8 @@ static inline int ieee80211_networks_allocate(struct ieee80211_device *ieee)
 	if (ieee->networks)
 		return 0;
 
-	ieee->networks = kmalloc(
-		MAX_NETWORK_COUNT * sizeof(struct ieee80211_network),
+	ieee->networks = kcalloc(
+		MAX_NETWORK_COUNT, sizeof(struct ieee80211_network),
 		GFP_KERNEL);
 	if (!ieee->networks) {
 		printk(KERN_WARNING "%s: Out of memory allocating beacons\n",
@@ -74,9 +74,6 @@ static inline int ieee80211_networks_allocate(struct ieee80211_device *ieee)
 		return -ENOMEM;
 	}
 
-	memset(ieee->networks, 0,
-	       MAX_NETWORK_COUNT * sizeof(struct ieee80211_network));
-
 	return 0;
 }