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| author | Douglas Schilling Landgraf <dougsland@linuxtv.org> | 2008-11-12 03:27:59 +0100 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2008-11-17 02:54:29 +0100 |
| commit | d7c31a1e754b5140eefeeb10c3c3be17f3702452 (patch) | |
| tree | 4fc645d6c8243222babf8a8ba15178e865005ef9 /drivers/media/dvb/ttusb-dec | |
| parent | stop_machine: fix race with return value (fixes Bug #11989) (diff) | |
| download | linux-d7c31a1e754b5140eefeeb10c3c3be17f3702452.tar.xz linux-d7c31a1e754b5140eefeeb10c3c3be17f3702452.zip | |
V4L/DVB (9601): ttusb_dec: Add NULL pointer validation
Added validation for NULL pointer
Signed-off-by: Douglas Schilling Landgraf <dougsland@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/dvb/ttusb-dec')
| -rw-r--r-- | drivers/media/dvb/ttusb-dec/ttusb_dec.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/media/dvb/ttusb-dec/ttusb_dec.c b/drivers/media/dvb/ttusb-dec/ttusb_dec.c index ab33fec8a19f..c1386e9b13d3 100644 --- a/drivers/media/dvb/ttusb-dec/ttusb_dec.c +++ b/drivers/media/dvb/ttusb-dec/ttusb_dec.c @@ -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)); |