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Commit d7c31a1e authored by Douglas Schilling Landgraf's avatar Douglas Schilling Landgraf Committed by Mauro Carvalho Chehab
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V4L/DVB (9601): ttusb_dec: Add NULL pointer validation 



Added validation for NULL pointer

Signed-off-by: default avatarDouglas Schilling Landgraf <dougsland@linuxtv.org>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@redhat.com>
parent e14c8bf8

drivers/media/dvb/ttusb-dec/ttusb_dec.c

+6 −0
Original line number Diff line number Diff line
@@ -1157,6 +1157,12 @@ static int ttusb_dec_alloc_iso_urbs(struct ttusb_dec *dec) 
						ISO_BUF_COUNT),

					       &dec->iso_dma_handle);



	if (!dec->iso_buffer) {

		dprintk("%s: pci_alloc_consistent - not enough memory\n",

			__func__);

		return -ENOMEM;

	}



	memset(dec->iso_buffer, 0,

	       ISO_FRAME_SIZE * (FRAMES_PER_ISO_BUF * ISO_BUF_COUNT));