From d82d418a3af4d7d07151f9d45ca20f2ce61289a0 Mon Sep 17 00:00:00 2001 From: Amit Choudhary Date: Wed, 20 Dec 2006 09:30:45 -0300 Subject: [PATCH] V4L/DVB (4990): Cpia2/cpia2_usb.c: fix error-path leak Free previously allocated memory (in array elements) if kmalloc() returns NULL in submit_urbs(). Signed-off-by: Amit Choudhary Signed-off-by: Andrew Morton Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/cpia2/cpia2_usb.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/media/video/cpia2/cpia2_usb.c b/drivers/media/video/cpia2/cpia2_usb.c index 28dc6a1a1e43..d8e929863a88 100644 --- a/drivers/media/video/cpia2/cpia2_usb.c +++ b/drivers/media/video/cpia2/cpia2_usb.c @@ -640,6 +640,10 @@ static int submit_urbs(struct camera_data *cam) cam->sbuf[i].data = kmalloc(FRAMES_PER_DESC * FRAME_SIZE_PER_DESC, GFP_KERNEL); if (!cam->sbuf[i].data) { + while (--i >= 0) { + kfree(cam->sbuf[i].data); + cam->sbuf[i].data = NULL; + } return -ENOMEM; } } -- 2.20.1