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V4L/DVB (9602): dvb-ttusb-budget: Add NULL pointer validation
[pandora-kernel.git]
/
drivers
/
media
/
dvb
/
ttusb-budget
/
dvb-ttusb-budget.c
diff --git
a/drivers/media/dvb/ttusb-budget/dvb-ttusb-budget.c
b/drivers/media/dvb/ttusb-budget/dvb-ttusb-budget.c
index
66ab0c6
..
5faeee3
100644
(file)
--- a/
drivers/media/dvb/ttusb-budget/dvb-ttusb-budget.c
+++ b/
drivers/media/dvb/ttusb-budget/dvb-ttusb-budget.c
@@
-808,6
+808,12
@@
static int ttusb_alloc_iso_urbs(struct ttusb *ttusb)
ISO_BUF_COUNT,
&ttusb->iso_dma_handle);
+ if (!ttusb->iso_buffer) {
+ dprintk("%s: pci_alloc_consistent - not enough memory\n",
+ __func__);
+ return -ENOMEM;
+ }
+
memset(ttusb->iso_buffer, 0,
ISO_FRAME_SIZE * FRAMES_PER_ISO_BUF * ISO_BUF_COUNT);