V4L/DVB (8885): cpia2_usb: fix memory leak

Free allocated memory

Signed-off-by: Douglas Schilling Landgraf <dougsland@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 4 insertions, 1 deletions

diff --git a/drivers/media/video/cpia2/cpia2_usb.c b/drivers/media/video/cpia2/cpia2_usb.c
index a4574740350d..a8a199047cbd 100644
--- a/drivers/media/video/cpia2/cpia2_usb.c
+++ b/drivers/media/video/cpia2/cpia2_usb.c
@@ -632,7 +632,7 @@ int cpia2_usb_transfer_cmd(struct camera_data *cam,
 static int submit_urbs(struct camera_data *cam)
 {
         struct urb *urb;
-        int fx, err, i;
+        int fx, err, i, j;
 
         for(i=0; i<NUM_SBUF; ++i) {
                 if (cam->sbuf[i].data)
@@ -657,6 +657,9 @@ static int submit_urbs(struct camera_data *cam)
                 }
                 urb = usb_alloc_urb(FRAMES_PER_DESC, GFP_KERNEL);
                 if (!urb) {
+                        ERR("%s: usb_alloc_urb error!\n", __func__);
+                        for (j = 0; j < i; j++)
+                                usb_free_urb(cam->sbuf[j].urb);
                         return -ENOMEM;
                 }