On Sun, 16 Nov 2014, SF Markus Elfring wrote: > From: Markus Elfring <[email protected]> > Date: Sun, 16 Nov 2014 12:20:31 +0100 > > The module_put() function tests whether its argument is NULL and then > returns immediately. Thus the test around the call is not needed. > > This issue was detected by using the Coccinelle software. > > Signed-off-by: Markus Elfring <[email protected]> > --- > kernel/kprobes.c | 3 +-- > 1 file changed, 1 insertion(+), 2 deletions(-) > > diff --git a/kernel/kprobes.c b/kernel/kprobes.c > index 3995f54..f1e7d45 100644 > --- a/kernel/kprobes.c > +++ b/kernel/kprobes.c > @@ -1527,8 +1527,7 @@ int register_kprobe(struct kprobe *p) > out: > mutex_unlock(&kprobe_mutex); > > - if (probed_mod) > - module_put(probed_mod); > + module_put(probed_mod);
There is an out label, so please check whether the labels could not be better positioned to avoid calling module_put when it is not needed. julia > > return ret; > } > -- > 2.1.3 > > > _______________________________________________ > Cocci mailing list > [email protected] > https://systeme.lip6.fr/mailman/listinfo/cocci > _______________________________________________ Cocci mailing list [email protected] https://systeme.lip6.fr/mailman/listinfo/cocci
