linux-kernel - [PATCH v2] kernel/SRCU: Fix ctags

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Message-Id: <20181029200920.28901-1-semen.protsenko@linaro.org>
Date:   Mon, 29 Oct 2018 22:09:20 +0200
From:   Sam Protsenko <semen.protsenko@...aro.org>
To:     Greg KH <gregkh@...uxfoundation.org>
Cc:     linux-kernel@...r.kernel.org,
        Andy Shevchenko <andy.shevchenko@...il.com>
Subject: [PATCH v2] kernel/SRCU: Fix ctags

ctags indexing ("make tags" command) throws this warning:

    ctags: Warning: include/linux/notifier.h:125:
    null expansion of name pattern "\1"

This is the result of DEFINE_PER_CPU() macro exapansion. Fix that by
getting rid of line break.

Similar fix was already done in commit 25528213fe9f ("tags: Fix
DEFINE_PER_CPU expansions"), but this one probably wasn't noticed.

Signed-off-by: Sam Protsenko <semen.protsenko@...aro.org>
---
 include/linux/notifier.h | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/include/linux/notifier.h b/include/linux/notifier.h
index f35c7bf76143..0096a05395e3 100644
--- a/include/linux/notifier.h
+++ b/include/linux/notifier.h
@@ -122,8 +122,7 @@ extern void srcu_init_notifier_head(struct srcu_notifier_head *nh);
 
 #ifdef CONFIG_TREE_SRCU
 #define _SRCU_NOTIFIER_HEAD(name, mod)				\
-	static DEFINE_PER_CPU(struct srcu_data,			\
-			name##_head_srcu_data);			\
+	static DEFINE_PER_CPU(struct srcu_data, name##_head_srcu_data); \
 	mod struct srcu_notifier_head name =			\
 			SRCU_NOTIFIER_INIT(name, name##_head_srcu_data)
 
-- 
2.19.1