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-dec/ttusb_dec.c b/drivers/media/usb/ttusb-dec/ttusb_dec.c
index 29724af9b9ab..15ab584cf265 100644
--- a/drivers/media/usb/ttusb-dec/ttusb_dec.c
+++ b/drivers/media/usb/ttusb-dec/ttusb_dec.c
@@ -1151,11 +1151,9 @@ static int ttusb_dec_alloc_iso_urbs(struct ttusb_dec *dec)
 
         dprintk("%s\n", __func__);
 
-        dec->iso_buffer = pci_alloc_consistent(NULL,
-                                               ISO_FRAME_SIZE *
-                                               (FRAMES_PER_ISO_BUF *
-                                                ISO_BUF_COUNT),
-                                               &dec->iso_dma_handle);
+        dec->iso_buffer = pci_zalloc_consistent(NULL,
+                                                ISO_FRAME_SIZE * (FRAMES_PER_ISO_BUF * ISO_BUF_COUNT),
+                                                &dec->iso_dma_handle);
 
         if (!dec->iso_buffer) {
                 dprintk("%s: pci_alloc_consistent - not enough memory\n",
@@ -1163,9 +1161,6 @@ static int ttusb_dec_alloc_iso_urbs(struct ttusb_dec *dec)
                 return -ENOMEM;
         }
 
-        memset(dec->iso_buffer, 0,
-               ISO_FRAME_SIZE * (FRAMES_PER_ISO_BUF * ISO_BUF_COUNT));
-
         for (i = 0; i < ISO_BUF_COUNT; i++) {
                 struct urb *urb;