staging: brcm80211: brcmfmac: Fix memset using sizeof(ptr) not sizeof(*ptr)

Author: Joe Perches <joe@perches.com>

Found via coccinelle script

@@
type T;
T* ptr;
expression E1;
@@

* memset(E1, 0, sizeof(ptr));

Signed-off-by: Joe Perches 
Acked-by: Roland Vossen 
Signed-off-by: Greg Kroah-Hartman 
---
 drivers/staging/brcm80211/brcmfmac/wl_iw.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)
 
diff --git a/drivers/staging/brcm80211/brcmfmac/wl_iw.c b/drivers/staging/brcm80211/brcmfmac/wl_iw.c
index a16b46c..4b810ed 100644
--- a/drivers/staging/brcm80211/brcmfmac/wl_iw.c
+++ b/drivers/staging/brcm80211/brcmfmac/wl_iw.c
@@ -498,9 +498,7 @@ wl_iw_get_range(struct net_device *dev,
 	list = (wl_u32_list_t *) channels;
 
 	dwrq->length = sizeof(struct iw_range);
-	memset(range, 0, sizeof(range));
-
-	range->min_nwid = range->max_nwid = 0;
+	memset(range, 0, sizeof(*range));
 
 	list->count = cpu_to_le32(MAXCHANNEL);
 	error = dev_wlc_ioctl(dev, WLC_GET_VALID_CHANNELS, channels,