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| author | Douglas Schilling Landgraf <dougsland@linuxtv.org> | 2008-11-12 00:27:59 -0200 |
|---|---|---|
| committer | Douglas Schilling Landgraf <dougsland@linuxtv.org> | 2008-11-12 00:27:59 -0200 |
| commit | bcabc8095d80312e5fcc817372cf97ae51b55cbd (patch) | |
| tree | 693ae49b676ddf932f3aa28fe48b5a5be81d14f7 /linux/drivers/media/dvb/ttusb-dec | |
| parent | 1f0f6394be119a5916c8b5c6caa4910336544945 (diff) | |
| download | mediapointer-dvb-s2-bcabc8095d80312e5fcc817372cf97ae51b55cbd.tar.gz mediapointer-dvb-s2-bcabc8095d80312e5fcc817372cf97ae51b55cbd.tar.bz2 | |
ttusb_dec: Add NULL pointer validation
From: Douglas Schilling Landgraf <dougsland@linuxtv.org>
Added validation for NULL pointer
Priority: high
Signed-off-by: Douglas Schilling Landgraf <dougsland@linuxtv.org>
Diffstat (limited to 'linux/drivers/media/dvb/ttusb-dec')
| -rw-r--r-- | linux/drivers/media/dvb/ttusb-dec/ttusb_dec.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/linux/drivers/media/dvb/ttusb-dec/ttusb_dec.c b/linux/drivers/media/dvb/ttusb-dec/ttusb_dec.c index 5c2885e17..9259cfe54 100644 --- a/linux/drivers/media/dvb/ttusb-dec/ttusb_dec.c +++ b/linux/drivers/media/dvb/ttusb-dec/ttusb_dec.c @@ -1166,6 +1166,12 @@ 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)); |