staging: gdm724x: kzalloc should be used instead of kmalloc/memset

Author: Teodora Baluta <teobaluta@gmail.com>

This patch fixes the following coccinelle warnings in driver gdm724x:

drivers/staging/gdm724x/gdm_usb.c:127:9-16: WARNING: kzalloc should be used for t_sdu, instead of kmalloc/memset
drivers/staging/gdm724x/gdm_usb.c:91:5-12: WARNING: kzalloc should be used for t, instead of kmalloc/memset

Signed-off-by: Teodora Baluta 
Reviewed-by: Peter P Waskiewicz Jr 
Signed-off-by: Greg Kroah-Hartman 
---
 drivers/staging/gdm724x/gdm_usb.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)
 
diff --git a/drivers/staging/gdm724x/gdm_usb.c b/drivers/staging/gdm724x/gdm_usb.c
index bdc9637..781134a 100644
--- a/drivers/staging/gdm724x/gdm_usb.c
+++ b/drivers/staging/gdm724x/gdm_usb.c
@@ -88,12 +88,11 @@ static struct usb_tx *alloc_tx_struct(int len)
 	struct usb_tx *t = NULL;
 	int ret = 0;
 
-	t = kmalloc(sizeof(struct usb_tx), GFP_ATOMIC);
+	t = kzalloc(sizeof(struct usb_tx), GFP_ATOMIC);
 	if (!t) {
 		ret = -ENOMEM;
 		goto out;
 	}
-	memset(t, 0, sizeof(struct usb_tx));
 
 	t->urb = usb_alloc_urb(0, GFP_ATOMIC);
 	if (!(len % 512))
@@ -124,12 +123,11 @@ static struct usb_tx_sdu *alloc_tx_sdu_struct(void)
 	int ret = 0;
 
 
-	t_sdu = kmalloc(sizeof(struct usb_tx_sdu), GFP_ATOMIC);
+	t_sdu = kzalloc(sizeof(struct usb_tx_sdu), GFP_ATOMIC);
 	if (!t_sdu) {
 		ret = -ENOMEM;
 		goto out;
 	}
-	memset(t_sdu, 0, sizeof(struct usb_tx_sdu));
 
 	t_sdu->buf = kmalloc(SDU_BUF_SIZE, GFP_ATOMIC);
 	if (!t_sdu->buf) {