Pointer sp is dereferenced before NULL check.
Coverity bug #816
Signed-off-by: Eugene Teo <[email protected]>
--- linux-2.6/drivers/net/hamradio/6pack.c~ 2006-03-15 10:05:35.000000000 +0800
+++ linux-2.6/drivers/net/hamradio/6pack.c 2006-03-16 14:43:44.000000000 +0800
@@ -726,13 +726,16 @@ static void sixpack_close(struct tty_str
static int sixpack_ioctl(struct tty_struct *tty, struct file *file,
unsigned int cmd, unsigned long arg)
{
- struct sixpack *sp = sp_get(tty);
- struct net_device *dev = sp->dev;
+ struct sixpack *sp;
+ struct net_device *dev;
unsigned int tmp, err;
if (!sp)
return -ENXIO;
+ sp = sp_get(tty);
+ dev = sp->dev;
+
switch(cmd) {
case SIOCGIFNAME:
err = copy_to_user((void __user *) arg, dev->name,
--
1024D/A6D12F80 print D51D 2633 8DAC 04DB 7265 9BB8 5883 6DAA A6D1 2F80
main(i) { putchar(182623909 >> (i-1) * 5&31|!!(i<7)<<6) && main(++i); }
-
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