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.
cu
Adrian
--
"Is there not promise of rain?" Ling Tan asked suddenly out
of the darkness. There had been need of rain for many days.
"Only a promise," Lao Er said.
Pearl S. Buck - Dragon Seed
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