Messages in this thread | | | Date | Wed, 21 Apr 2021 20:41:39 -0400 | From | Steven Rostedt <> | Subject | Re: [PATCH] static_call: Fix unused variable warning |
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Second patch with the exact same update. Perhaps we should take one before we get more of them ;-)
https://lore.kernel.org/lkml/20210416194300.3952208-1-cmllamas@google.com/
-- Steve
On Wed, 21 Apr 2021 17:33:34 -0700 Guenter Roeck <linux@roeck-us.net> wrote:
> If CONFIG_MODULES=n, the following build warning is reported. > > kernel/static_call.c: In function ‘__static_call_update’: > kernel/static_call.c:153:18: warning: unused variable ‘mod’ > > Mark the variable as __maybe_unused to fix the problem. > > Fixes: 9183c3f9ed71 ("static_call: Add inline static call infrastructure") > Reported-by: Zach Reizner <zachr@google.com> > Cc: Josh Poimboeuf <jpoimboe@redhat.com> > Signed-off-by: Guenter Roeck <linux@roeck-us.net> > --- > kernel/static_call.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/kernel/static_call.c b/kernel/static_call.c > index 2c5950b0b90e..8211a34251f8 100644 > --- a/kernel/static_call.c > +++ b/kernel/static_call.c > @@ -150,7 +150,7 @@ void __static_call_update(struct static_call_key *key, void *tramp, void *func) > > for (site_mod = &first; site_mod; site_mod = site_mod->next) { > bool init = system_state < SYSTEM_RUNNING; > - struct module *mod = site_mod->mod; > + struct module __maybe_unused *mod = site_mod->mod; > > if (!site_mod->sites) { > /*
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