linux-kernel - [PATCH 3.16 15/19] HID: hid-input: Add parentheses to quell gcc warning

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Message-ID: <lsq.1491052670.585638898@decadent.org.uk>
Date:   Sat, 01 Apr 2017 14:17:50 +0100
From:   Ben Hutchings <ben@...adent.org.uk>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
CC:     akpm@...ux-foundation.org, "James C Boyd" <jcboyd.dev@...il.com>,
        "Jiri Kosina" <jkosina@...e.cz>, "Arnd Bergmann" <arnd@...db.de>
Subject: [PATCH 3.16 15/19] HID: hid-input: Add parentheses to quell gcc
 warning

3.16.43-rc1 review patch.  If anyone has any objections, please let me know.

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

From: James C Boyd <jcboyd.dev@...il.com>

commit 09a5c34e8d6b05663ec4c3d22b1fbd9fec89aaf9 upstream.

GCC reports a -Wlogical-not-parentheses warning here; therefore
add parentheses to shut it up and to express our intent more.

Signed-off-by: James C Boyd <jcboyd.dev@...il.com>
Signed-off-by: Jiri Kosina <jkosina@...e.cz>
Signed-off-by: Ben Hutchings <ben@...adent.org.uk>
Cc: Arnd Bergmann <arnd@...db.de>
---
 drivers/hid/hid-input.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/hid/hid-input.c
+++ b/drivers/hid/hid-input.c
@@ -1119,7 +1119,7 @@ void hidinput_hid_event(struct hid_devic
 		return;
 
 	/* report the usage code as scancode if the key status has changed */
-	if (usage->type == EV_KEY && !!test_bit(usage->code, input->key) != value)
+	if (usage->type == EV_KEY && (!!test_bit(usage->code, input->key)) != value)
 		input_event(input, EV_MSC, MSC_SCAN, usage->hid);
 
 	input_event(input, usage->type, usage->code, value);