From: Aya Mahfouz <mahfouz.saif.elyazal@gmail.com>
Date: Thu, 26 Feb 2015 09:45:03 +0000 (+0200)
Subject: staging: lustre: libcfs: rewrite the right hand side of an assignment
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=0c8e4d70e001f7528be9d06739ecd28736396867;p=openwrt%2Fstaging%2Fblogic.git

staging: lustre: libcfs: rewrite the right hand side of an assignment

This patch rewrites the right hand side of an assignment for
expressions of the form:
a = (a <op> b);
to be:
a <op>= b;
where <op> = << | >>.

This issue was detected and resolved using the following
coccinelle script:

@@
identifier i;
expression e;
@@

-i = (i >> e);
+i >>= e;

@@
identifier i;
expression e;
@@

-i = (i << e);
+i <<= e;

Signed-off-by: Aya Mahfouz <mahfouz.saif.elyazal@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/staging/lustre/lustre/libcfs/debug.c b/drivers/staging/lustre/lustre/libcfs/debug.c
index 76c62e87a415..54352368ac14 100644
--- a/drivers/staging/lustre/lustre/libcfs/debug.c
+++ b/drivers/staging/lustre/lustre/libcfs/debug.c
@@ -410,7 +410,7 @@ int libcfs_debug_init(unsigned long bufsize)
 		max = TCD_MAX_PAGES;
 	} else {
 		max = (max / num_possible_cpus());
-		max = max << (20 - PAGE_CACHE_SHIFT);
+		max <<= (20 - PAGE_CACHE_SHIFT);
 	}
 	rc = cfs_tracefile_init(max);