linux-kernel - [PATCH RESEND] ocfs2/dlm: Remove unnecessary parentheses

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Message-Id: <20180924181929.6853-1-natechancellor@gmail.com>
Date:   Mon, 24 Sep 2018 11:19:30 -0700
From:   Nathan Chancellor <natechancellor@...il.com>
To:     Andrew Morton <akpm@...ux-foundation.org>,
        Mark Fasheh <mark@...heh.com>, Joel Becker <jlbec@...lplan.org>
Cc:     ocfs2-devel@....oracle.com, linux-kernel@...r.kernel.org,
        Nathan Chancellor <natechancellor@...il.com>
Subject: [PATCH RESEND] ocfs2/dlm: Remove unnecessary parentheses

Clang warns when more than one set of parentheses is used for a
single conditional statement:

fs/ocfs2/dlm/dlmthread.c:534:18: warning: equality comparison with extraneous
      parentheses [-Wparentheses-equality]
        if ((res->owner == dlm->node_num)) {
             ~~~~~~~~~~~^~~~~~~~~~~~~~~~
fs/ocfs2/dlm/dlmthread.c:534:18: note: remove extraneous parentheses around the
      comparison to silence this warning
        if ((res->owner == dlm->node_num)) {
            ~           ^               ~

Reported-by: Nick Desaulniers <ndesaulniers@...gle.com>
Reviewed-by: Nick Desaulniers <ndesaulniers@...gle.com>
Signed-off-by: Nathan Chancellor <natechancellor@...il.com>
---
 fs/ocfs2/dlm/dlmthread.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/ocfs2/dlm/dlmthread.c b/fs/ocfs2/dlm/dlmthread.c
index 838a06d4066a..074d5de17bb2 100644
--- a/fs/ocfs2/dlm/dlmthread.c
+++ b/fs/ocfs2/dlm/dlmthread.c
@@ -531,7 +531,7 @@ void __dlm_dirty_lockres(struct dlm_ctxt *dlm, struct dlm_lock_resource *res)
 	assert_spin_locked(&res->spinlock);
 
 	/* don't shuffle secondary queues */
-	if ((res->owner == dlm->node_num)) {
+	if (res->owner == dlm->node_num) {
 		if (res->state & (DLM_LOCK_RES_MIGRATING |
 				  DLM_LOCK_RES_BLOCK_DIRTY))
 		    return;
-- 
2.19.0