media: use pci_zalloc_consistent

Remove the now unnecessary memset too.

Signed-off-by: Joe Perches <joe@perches.com>
Cc: Hans Verkuil <hverkuil@xs4all.nl>
Cc: Mauro Carvalho Chehab <m.chehab@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 3 insertions, 8 deletions

diff --git a/drivers/media/usb/ttusb-budget/dvb-ttusb-budget.c b/drivers/media/usb/ttusb-budget/dvb-ttusb-budget.c
index f166ffc9800a..cef7a00099ea 100644
--- a/drivers/media/usb/ttusb-budget/dvb-ttusb-budget.c
+++ b/drivers/media/usb/ttusb-budget/dvb-ttusb-budget.c
@@ -803,11 +803,9 @@ static int ttusb_alloc_iso_urbs(struct ttusb *ttusb)
 {
         int i;
 
-        ttusb->iso_buffer = pci_alloc_consistent(NULL,
-                                                 ISO_FRAME_SIZE *
-                                                 FRAMES_PER_ISO_BUF *
-                                                 ISO_BUF_COUNT,
-                                                 &ttusb->iso_dma_handle);
+        ttusb->iso_buffer = pci_zalloc_consistent(NULL,
+                                                  ISO_FRAME_SIZE * FRAMES_PER_ISO_BUF * ISO_BUF_COUNT,
+                                                  &ttusb->iso_dma_handle);
 
         if (!ttusb->iso_buffer) {
                 dprintk("%s: pci_alloc_consistent - not enough memory\n",
@@ -815,9 +813,6 @@ static int ttusb_alloc_iso_urbs(struct ttusb *ttusb)
                 return -ENOMEM;
         }
 
-        memset(ttusb->iso_buffer, 0,
-               ISO_FRAME_SIZE * FRAMES_PER_ISO_BUF * ISO_BUF_COUNT);
-
         for (i = 0; i < ISO_BUF_COUNT; i++) {
                 struct urb *urb;