Re: tuner-core.c:fe_has_signal() can returne uninitialized value

[Michael Krufky]

Adrian Bunk wrote:
> Commit 1f5ef19779df2c2f75870332b37dd3004c08a515 added the following 
> function to drivers/media/video/tuner-core.c:
>
> <--  snip  -->
>
> static int fe_has_signal(struct tuner *t)
> {
>         struct dvb_tuner_ops *fe_tuner_ops = &t->fe.ops.tuner_ops;
>         u16 strength;
>
>         if (fe_tuner_ops->get_rf_strength)
>                 fe_tuner_ops->get_rf_strength(&t->fe, &strength);
>
>         return strength;
> }
>
> <--  snip  -->
>
>
> If (!fe_tuner_ops->get_rf_strength) this function returns the value of 
> an uninitialized variable.
>
> Spotted by the Coverity checker.
>   
Thank you, Adrian.  I've fixed this in my tree:

http://linuxtv.org/hg/~mkrufky/v4l-dvb/rev/101ca558a777

Mauro, please pull from:

http://linuxtv.org/hg/~mkrufky/v4l-dvb

for:

- tuner-core.c: fe_has_signal() can return uninitialized value

 tuner-core.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Please send this to Linus for 2.6.24

Regards,

Mike
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/