Messages in this thread Patch in this message | | | From | Guenter Roeck <> | Subject | [PATCH] static_call: Fix unused variable warning | Date | Wed, 21 Apr 2021 17:33:34 -0700 |
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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) { /* -- 2.17.1
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