media: pvrusb2: use kzalloc instead of kmalloc and memset

Replace kmalloc followed by a memset with kzalloc.
Signed-off-by: Fuqian Huang <huangfq.daxian@gmail.com>
Acked-by: Mike Isely <isely@pobox.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
[hverkuil-cisco@xs4all.nl: add pvrusb2: prefix in Subject]
[hverkuil-cisco@xs4all.nl: fix checkpatch whitespace warnings]
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>

drivers/media/usb/pvrusb2/pvrusb2-eeprom.c

@@ -39,7 +39,7 @@ static u8 *pvr2_eeprom_fetch(struct pvr2_hdw *hdw)
 	int ret;
 	int mode16 = 0;
 	unsigned pcnt,tcnt;
-	eeprom = kmalloc(EEPROM_SIZE,GFP_KERNEL);
+	eeprom = kzalloc(EEPROM_SIZE, GFP_KERNEL);
 	if (!eeprom) {
 		pvr2_trace(PVR2_TRACE_ERROR_LEGS,
 			   "Failed to allocate memory required to read eeprom");
@@ -74,7 +74,6 @@ static u8 *pvr2_eeprom_fetch(struct pvr2_hdw *hdw)
 	   (1) we're only fetching part of the eeprom, and (2) if we were
 	   getting the whole thing our I2C driver can't grab it in one
 	   pass - which is what tveeprom is otherwise going to attempt */
-	memset(eeprom,0,EEPROM_SIZE);
 	for (tcnt = 0; tcnt < EEPROM_SIZE; tcnt += pcnt) {
 		pcnt = 16;
 		if (pcnt + tcnt > EEPROM_SIZE) pcnt = EEPROM_SIZE-tcnt;

drivers/media/usb/pvrusb2/pvrusb2-hdw.c

@@ -3329,7 +3329,7 @@ static u8 *pvr2_full_eeprom_fetch(struct pvr2_hdw *hdw)
 	int ret;
 	int mode16 = 0;
 	unsigned pcnt,tcnt;
-	eeprom = kmalloc(EEPROM_SIZE,GFP_KERNEL);
+	eeprom = kzalloc(EEPROM_SIZE, GFP_KERNEL);
 	if (!eeprom) {
 		pvr2_trace(PVR2_TRACE_ERROR_LEGS,
 			   "Failed to allocate memory required to read eeprom");
@@ -3364,7 +3364,6 @@ static u8 *pvr2_full_eeprom_fetch(struct pvr2_hdw *hdw)
 	   (1) we're only fetching part of the eeprom, and (2) if we were
 	   getting the whole thing our I2C driver can't grab it in one
 	   pass - which is what tveeprom is otherwise going to attempt */
-	memset(eeprom,0,EEPROM_SIZE);
 	for (tcnt = 0; tcnt < EEPROM_SIZE; tcnt += pcnt) {
 		pcnt = 16;
 		if (pcnt + tcnt > EEPROM_SIZE) pcnt = EEPROM_SIZE-tcnt;