linux-kernel - [PATCH] jump_label: Use static_key

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Date:   Sun,  9 Sep 2018 13:42:52 +0200
From:   Borislav Petkov <bp@...en8.de>
To:     LKML <linux-kernel@...r.kernel.org>
Cc:     Ingo Molnar <mingo@...nel.org>,
        Josh Poimboeuf <jpoimboe@...hat.com>,
        Peter Zijlstra <peterz@...radead.org>,
        "Steven Rostedt (VMware)" <rostedt@...dmis.org>,
        Jason Baron <jbaron@...mai.com>
Subject: [PATCH] jump_label: Use static_key_linked() accessor

From: Borislav Petkov <bp@...e.de>

... instead of open-coding it, in static_key_mod().

No functional changes.

Signed-off-by: Borislav Petkov <bp@...e.de>
Cc: Ingo Molnar <mingo@...nel.org>
Cc: Josh Poimboeuf <jpoimboe@...hat.com>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: "Steven Rostedt (VMware)" <rostedt@...dmis.org>
Cc: Jason Baron <jbaron@...mai.com>
---
 kernel/jump_label.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/jump_label.c b/kernel/jump_label.c
index 2e62503bea0d..de97d8753b62 100644
--- a/kernel/jump_label.c
+++ b/kernel/jump_label.c
@@ -455,7 +455,7 @@ struct static_key_mod {
 
 static inline struct static_key_mod *static_key_mod(struct static_key *key)
 {
-	WARN_ON_ONCE(!(key->type & JUMP_TYPE_LINKED));
+	WARN_ON_ONCE(!static_key_linked(key));
 	return (struct static_key_mod *)(key->type & ~JUMP_TYPE_MASK);
 }
 
-- 
2.17.0.582.gccdcbd54c