linux-kernel - [PATCH 4.4 15/72] dm ioctl: remove double parentheses

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Date:   Fri,  6 Apr 2018 15:23:16 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Matthias Kaehlcke <mka@...omium.org>,
        Mike Snitzer <snitzer@...hat.com>,
        Nathan Chancellor <natechancellor@...il.com>
Subject: [PATCH 4.4 15/72] dm ioctl: remove double parentheses

4.4-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Matthias Kaehlcke <mka@...omium.org>

commit e36215d87f301f9567c8c99fd34e6c3521a94ddf upstream.

The extra pair of parantheses is not needed and causes clang to generate
warnings about the DM_DEV_CREATE_CMD comparison in validate_params().

Also remove another double parentheses that doesn't cause a warning.

Signed-off-by: Matthias Kaehlcke <mka@...omium.org>
Signed-off-by: Mike Snitzer <snitzer@...hat.com>
Cc: Nathan Chancellor <natechancellor@...il.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/md/dm-ioctl.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

--- a/drivers/md/dm-ioctl.c
+++ b/drivers/md/dm-ioctl.c
@@ -1773,12 +1773,12 @@ static int validate_params(uint cmd, str
 	    cmd == DM_LIST_VERSIONS_CMD)
 		return 0;
 
-	if ((cmd == DM_DEV_CREATE_CMD)) {
+	if (cmd == DM_DEV_CREATE_CMD) {
 		if (!*param->name) {
 			DMWARN("name not supplied when creating device");
 			return -EINVAL;
 		}
-	} else if ((*param->uuid && *param->name)) {
+	} else if (*param->uuid && *param->name) {
 		DMWARN("only supply one of name or uuid, cmd(%u)", cmd);
 		return -EINVAL;
 	}