linux-kernel - [PATCH] drivers: staging: lustre: Cleanup src/dst comparisons in obdo_cmp

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Date:	Thu, 11 Sep 2014 18:38:25 -0500
From:	Greg Donald <gdonald@...il.com>
To:	Greg Kroah-Hartman <greg@...ah.com>,
	Andreas Dilger <andreas.dilger@...el.com>,
	Oleg Drokin <oleg.drokin@...el.com>,
	linux-kernel@...r.kernel.org, Joe Perches <joe@...ches.com>
Cc:	Greg Donald <gdonald@...il.com>
Subject: [PATCH] drivers: staging: lustre: Cleanup src/dst comparisons in obdo_cmp_md()

Cleanup obdo_cmp_md() src/dst comparisons using bitwise OR assignments

Suggested-by: Joe Perches <joe@...ches.com>
Signed-off-by: Greg Donald <gdonald@...il.com>
---
 drivers/staging/lustre/lustre/obdclass/obdo.c | 32 +++++++++++++--------------
 1 file changed, 16 insertions(+), 16 deletions(-)

diff --git a/drivers/staging/lustre/lustre/obdclass/obdo.c b/drivers/staging/lustre/lustre/obdclass/obdo.c
index b97433e..307ffe3 100644
--- a/drivers/staging/lustre/lustre/obdclass/obdo.c
+++ b/drivers/staging/lustre/lustre/obdclass/obdo.c
@@ -162,38 +162,38 @@ int obdo_cmp_md(struct obdo *dst, struct obdo *src, u32 compare)
 	int res = 0;
 
 	if (compare & OBD_MD_FLATIME)
-		res = (res || (dst->o_atime != src->o_atime));
+		res |= dst->o_atime != src->o_atime;
 	if (compare & OBD_MD_FLMTIME)
-		res = (res || (dst->o_mtime != src->o_mtime));
+		res |= dst->o_mtime != src->o_mtime;
 	if (compare & OBD_MD_FLCTIME)
-		res = (res || (dst->o_ctime != src->o_ctime));
+		res |= dst->o_ctime != src->o_ctime;
 	if (compare & OBD_MD_FLSIZE)
-		res = (res || (dst->o_size != src->o_size));
+		res |= dst->o_size != src->o_size;
 	if (compare & OBD_MD_FLBLOCKS) /* allocation of space */
-		res = (res || (dst->o_blocks != src->o_blocks));
+		res |= dst->o_blocks != src->o_blocks;
 	if (compare & OBD_MD_FLBLKSZ)
-		res = (res || (dst->o_blksize != src->o_blksize));
+		res |= dst->o_blksize != src->o_blksize;
 	if (compare & OBD_MD_FLTYPE)
-		res = (res || (((dst->o_mode ^ src->o_mode) & S_IFMT) != 0));
+		res |= ((dst->o_mode ^ src->o_mode) & S_IFMT) != 0;
 	if (compare & OBD_MD_FLMODE)
-		res = (res || (((dst->o_mode ^ src->o_mode) & ~S_IFMT) != 0));
+		res |= ((dst->o_mode ^ src->o_mode) & ~S_IFMT) != 0;
 	if (compare & OBD_MD_FLUID)
-		res = (res || (dst->o_uid != src->o_uid));
+		res |= dst->o_uid != src->o_uid;
 	if (compare & OBD_MD_FLGID)
-		res = (res || (dst->o_gid != src->o_gid));
+		res |= dst->o_gid != src->o_gid;
 	if (compare & OBD_MD_FLFLAGS)
-		res = (res || (dst->o_flags != src->o_flags));
+		res |= dst->o_flags != src->o_flags;
 	if (compare & OBD_MD_FLNLINK)
-		res = (res || (dst->o_nlink != src->o_nlink));
+		res |= dst->o_nlink != src->o_nlink;
 	if (compare & OBD_MD_FLFID) {
-		res = (res || (dst->o_parent_seq != src->o_parent_seq));
-		res = (res || (dst->o_parent_ver != src->o_parent_ver));
+		res |= dst->o_parent_seq != src->o_parent_seq;
+		res |= dst->o_parent_ver != src->o_parent_ver;
 	}
 	if (compare & OBD_MD_FLGENER)
-		res = (res || (dst->o_parent_oid != src->o_parent_oid));
+		res |= dst->o_parent_oid != src->o_parent_oid;
 	/* XXX Don't know if these should be included here - wasn't previously
 	if ( compare & OBD_MD_FLINLINE )
-		res = (res || memcmp(dst->o_inline, src->o_inline));
+		res |= memcmp(dst->o_inline, src->o_inline);
 	*/
 	return res;
 }
-- 
1.9.1

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