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Commit d82d418a authored by Amit Choudhary's avatar Amit Choudhary Committed by Mauro Carvalho Chehab
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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: default avatarAmit Choudhary <amit2030@gmail.com>
Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@infradead.org>
parent cb2c7b49

drivers/media/video/cpia2/cpia2_usb.c

+4 −0
Original line number Original line Diff line number Diff line
@@ -640,6 +640,10 @@ static int submit_urbs(struct camera_data *cam) 
		cam->sbuf[i].data =

		cam->sbuf[i].data =

		    kmalloc(FRAMES_PER_DESC * FRAME_SIZE_PER_DESC, GFP_KERNEL);

		    kmalloc(FRAMES_PER_DESC * FRAME_SIZE_PER_DESC, GFP_KERNEL);

		if (!cam->sbuf[i].data) {

		if (!cam->sbuf[i].data) {

			while (--i >= 0) {

				kfree(cam->sbuf[i].data);

				cam->sbuf[i].data = NULL;

			}

			return -ENOMEM;

			return -ENOMEM;

		}

		}

	}

	}