diff options
| author | Amit Choudhary <amit2030@gmail.com> | 2006-10-17 14:39:06 (GMT) |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@infradead.org> | 2006-12-10 10:50:57 (GMT) |
| commit | c85f49d49f437605550322bd2739af18230cf85b (patch) | |
| tree | 9dfd65ed18982bafeb1f810ba28e20782f9e7bad /drivers/media/video/stv680.c | |
| parent | fe16af26c849eb75134855c7be22352f1a15844c (diff) | |
| download | linux-c85f49d49f437605550322bd2739af18230cf85b.tar.xz | |
V4L/DVB (4761): Stv680.c: check kmalloc() return value.
Signed-off-by: Amit Choudhary <amit2030@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Diffstat (limited to 'drivers/media/video/stv680.c')
| -rw-r--r-- | drivers/media/video/stv680.c | 21 |
1 files changed, 18 insertions, 3 deletions
diff --git a/drivers/media/video/stv680.c b/drivers/media/video/stv680.c index 6d1ef1e..a1ec3ac 100644 --- a/drivers/media/video/stv680.c +++ b/drivers/media/video/stv680.c @@ -687,7 +687,7 @@ static int stv680_start_stream (struct usb_stv *stv680) stv680->sbuf[i].data = kmalloc (stv680->rawbufsize, GFP_KERNEL); if (stv680->sbuf[i].data == NULL) { PDEBUG (0, "STV(e): Could not kmalloc raw data buffer %i", i); - return -1; + goto nomem_err; } } @@ -698,7 +698,7 @@ static int stv680_start_stream (struct usb_stv *stv680) stv680->scratch[i].data = kmalloc (stv680->rawbufsize, GFP_KERNEL); if (stv680->scratch[i].data == NULL) { PDEBUG (0, "STV(e): Could not kmalloc raw scratch buffer %i", i); - return -1; + goto nomem_err; } stv680->scratch[i].state = BUFFER_UNUSED; } @@ -706,7 +706,7 @@ static int stv680_start_stream (struct usb_stv *stv680) for (i = 0; i < STV680_NUMSBUF; i++) { urb = usb_alloc_urb (0, GFP_KERNEL); if (!urb) - return -ENOMEM; + goto nomem_err; /* sbuf is urb->transfer_buffer, later gets memcpyed to scratch */ usb_fill_bulk_urb (urb, stv680->udev, @@ -721,6 +721,21 @@ static int stv680_start_stream (struct usb_stv *stv680) stv680->framecount = 0; return 0; + + nomem_err: + for (i = 0; i < STV680_NUMSCRATCH; i++) { + kfree(stv680->scratch[i].data); + stv680->scratch[i].data = NULL; + } + for (i = 0; i < STV680_NUMSBUF; i++) { + usb_kill_urb(stv680->urb[i]); + usb_free_urb(stv680->urb[i]); + stv680->urb[i] = NULL; + kfree(stv680->sbuf[i].data); + stv680->sbuf[i].data = NULL; + } + return -ENOMEM; + } static int stv680_stop_stream (struct usb_stv *stv680) |