From: Douglas Schilling Landgraf Date: Wed, 12 Nov 2008 02:30:49 +0000 (-0300) Subject: V4L/DVB (9602): dvb-ttusb-budget: Add NULL pointer validation X-Git-Tag: MMI-PSA29.97-13-9~30628^2~23 X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=11eb260a70b992b83fa2d15bb777cda3ee326c05;p=GitHub%2FMotorolaMobilityLLC%2Fkernel-slsi.git V4L/DVB (9602): dvb-ttusb-budget: Add NULL pointer validation Added validation for NULL pointer Signed-off-by: Douglas Schilling Landgraf Signed-off-by: Mauro Carvalho Chehab --- diff --git a/drivers/media/dvb/ttusb-budget/dvb-ttusb-budget.c b/drivers/media/dvb/ttusb-budget/dvb-ttusb-budget.c index 66ab0c6e9783..5faeee3f70bf 100644 --- 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);