linux-kernel - [PATCH 4.19 210/280] can: flexcan: FLEXCAN_IFLAG

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Date:   Fri, 22 Mar 2019 12:16:03 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Marc Kleine-Budde <mkl@...gutronix.de>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 4.19 210/280] can: flexcan: FLEXCAN_IFLAG_MB: add () around macro argument

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

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

[ Upstream commit 22233f7bf2c99ef52ec19d30876a12d2f725972e ]

This patch fixes the following checkpatch warning:

| Macro argument 'x' may be better as '(x)' to avoid precedence issues

Fixes: cbffaf7aa09e ("can: flexcan: Always use last mailbox for TX")
Signed-off-by: Marc Kleine-Budde <mkl@...gutronix.de>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/net/can/flexcan.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/can/flexcan.c b/drivers/net/can/flexcan.c
index ae219b8a7754..2646faffd36e 100644
--- a/drivers/net/can/flexcan.c
+++ b/drivers/net/can/flexcan.c
@@ -140,7 +140,7 @@
 #define FLEXCAN_TX_MB				63
 #define FLEXCAN_RX_MB_OFF_TIMESTAMP_FIRST	(FLEXCAN_TX_MB_RESERVED_OFF_TIMESTAMP + 1)
 #define FLEXCAN_RX_MB_OFF_TIMESTAMP_LAST	(FLEXCAN_TX_MB - 1)
-#define FLEXCAN_IFLAG_MB(x)		BIT(x & 0x1f)
+#define FLEXCAN_IFLAG_MB(x)		BIT((x) & 0x1f)
 #define FLEXCAN_IFLAG_RX_FIFO_OVERFLOW	BIT(7)
 #define FLEXCAN_IFLAG_RX_FIFO_WARN	BIT(6)
 #define FLEXCAN_IFLAG_RX_FIFO_AVAILABLE	BIT(5)
-- 
2.19.1