diff options
| author | Cyrill Gorcunov <gorcunov@gmail.com> | 2008-04-01 16:48:23 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@infradead.org> | 2008-04-06 17:13:18 -0300 |
| commit | 4a8f3a5727c589a59bcaaca43dc1025b347b7a75 (patch) | |
| tree | 8a9c366d6b474568496f4067a129b63017ece1df | |
| parent | 6fdf5e67fe8d3c83500dad9acae985132c2459a3 (diff) | |
V4L/DVB (7460): bttv: Bt832 - fix possible NULL pointer deref
This patch does fix potential NULL pointer dereference
Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
| -rw-r--r-- | drivers/media/video/bt8xx/bt832.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/drivers/media/video/bt8xx/bt832.c b/drivers/media/video/bt8xx/bt832.c index a5187613788..f92f06dec0d 100644 --- a/drivers/media/video/bt8xx/bt832.c +++ b/drivers/media/video/bt8xx/bt832.c @@ -97,6 +97,11 @@ int bt832_init(struct i2c_client *i2c_client_s) int rc; buf=kmalloc(65,GFP_KERNEL); + if (!buf) { + v4l_err(&t->client, + "Unable to allocate memory. Detaching.\n"); + return 0; + } bt832_hexdump(i2c_client_s,buf); if(buf[0x40] != 0x31) { @@ -211,7 +216,12 @@ bt832_command(struct i2c_client *client, unsigned int cmd, void *arg) switch (cmd) { case BT832_HEXDUMP: { unsigned char *buf; - buf=kmalloc(65,GFP_KERNEL); + buf = kmalloc(65, GFP_KERNEL); + if (!buf) { + v4l_err(&t->client, + "Unable to allocate memory\n"); + break; + } bt832_hexdump(&t->client,buf); kfree(buf); } |