linux-kernel - [PATCH] IB/rxe: fix compare_const

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Message-ID: <alpine.DEB.2.10.1602180803370.2671@hadrien>
Date:	Thu, 18 Feb 2016 08:06:13 -0500 (EST)
From:	Julia Lawall <julia.lawall@...6.fr>
To:	Kamal Heib <kamalh@...lanox.com>
cc:	kbuild-all@...org, Doug Ledford <dledford@...hat.com>,
	Amir Vadai <amirv@...lanox.com>,
	Haggai Eran <haggaie@...lanox.com>,
	Sean Hefty <sean.hefty@...el.com>,
	Hal Rosenstock <hal.rosenstock@...il.com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	linux-rdma@...r.kernel.org, devel@...verdev.osuosl.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH] IB/rxe: fix compare_const_fl.cocci warnings

Move constants to the right of binary operators.

Generated by: scripts/coccinelle/misc/compare_const_fl.cocci

CC: Kamal Heib <kamalh@...lanox.com>
Signed-off-by: Fengguang Wu <fengguang.wu@...el.com>
Signed-off-by: Julia Lawall <julia.lawall@...6.fr>
---

The constants on the right look a bit nicer.  Another possibility would be
!!.

tree:   https://github.com/dledford/linux.git rxe-v2
head:   bc91f3e63df667e8da8894a51149a2fc9acf0e71
commit: 30e5584cf453cd90bbcd3ebb5f3e774c0195dd83 [30/31] IB/rxe: Add
Soft-RoCE to kbuild and makefiles

 rxe_mr.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

--- a/drivers/staging/rdma/rxe/rxe_mr.c
+++ b/drivers/staging/rdma/rxe/rxe_mr.c
@@ -43,8 +43,8 @@ static u8 rxe_get_key(void)

 	key = key << 1;

-	key |= (0 != (key & 0x100)) ^ (0 != (key & 0x10))
-		^ (0 != (key & 0x80)) ^ (0 != (key & 0x40));
+	key |= ((key & 0x100) != 0) ^ ((key & 0x10) != 0)
+		^ ((key & 0x80) != 0) ^ ((key & 0x40) != 0);

 	key &= 0xff;