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| author | Douglas Schilling Landgraf <dougsland@linuxtv.org> | 2008-11-12 00:30:49 -0200 |
|---|---|---|
| committer | Douglas Schilling Landgraf <dougsland@linuxtv.org> | 2008-11-12 00:30:49 -0200 |
| commit | be08890b0323e39e6026b00048343971e10033a9 (patch) | |
| tree | e90bee113fb2bc8f1a93fab7d39ebaa54e790d86 /linux/drivers/media/dvb/ttusb-budget | |
| parent | bcabc8095d80312e5fcc817372cf97ae51b55cbd (diff) | |
| download | mediapointer-dvb-s2-be08890b0323e39e6026b00048343971e10033a9.tar.gz mediapointer-dvb-s2-be08890b0323e39e6026b00048343971e10033a9.tar.bz2 | |
dvb-ttusb-budget: 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-budget')
| -rw-r--r-- | linux/drivers/media/dvb/ttusb-budget/dvb-ttusb-budget.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/linux/drivers/media/dvb/ttusb-budget/dvb-ttusb-budget.c b/linux/drivers/media/dvb/ttusb-budget/dvb-ttusb-budget.c index 13085a8e2..9271e2366 100644 --- a/linux/drivers/media/dvb/ttusb-budget/dvb-ttusb-budget.c +++ b/linux/drivers/media/dvb/ttusb-budget/dvb-ttusb-budget.c @@ -828,6 +828,12 @@ 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); |