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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>
This commit is contained in:
Cyrill Gorcunov 2008-04-01 16:48:23 -03:00 committed by Mauro Carvalho Chehab
parent 6fdf5e67fe
commit 4a8f3a5727
1 changed files with 11 additions and 1 deletions
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12
drivers/media/video/bt8xx/bt832.c
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@ -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);
}