linux-kernel - [PATCH 3/8] staging: lustre: ldlm: put constant on the right of binary operator

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Date:	Sat, 29 Aug 2015 19:30:07 +0200
From:	Julia Lawall <Julia.Lawall@...6.fr>
To:	Oleg Drokin <oleg.drokin@...el.com>
Cc:	joe@...ches.com, kernel-janitors@...r.kernel.org,
	Andreas Dilger <andreas.dilger@...el.com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	HPDD-discuss@...ts.01.org, devel@...verdev.osuosl.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH 3/8] staging: lustre: ldlm: put constant on the right of binary operator

Move constants to the right of binary operators.

A simplified version of the semantic patch that makes this change is as
follows: (http://coccinelle.lip6.fr/)

// <smpl>
@@
constant c;
expression e;
binary operator b = {==,!=,&,|};
@@

(
- c
+ e
b
- e
+ c
|
- c < e
+ e > c
)
// </smpl>

Signed-off-by: Julia Lawall <Julia.Lawall@...6.fr>

---
 drivers/staging/lustre/lustre/ldlm/ldlm_flock.c |    8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/staging/lustre/lustre/ldlm/ldlm_flock.c b/drivers/staging/lustre/lustre/ldlm/ldlm_flock.c
index a4c252f..ab670fc 100644
--- a/drivers/staging/lustre/lustre/ldlm/ldlm_flock.c
+++ b/drivers/staging/lustre/lustre/ldlm/ldlm_flock.c
@@ -602,7 +602,7 @@ ldlm_flock_completion_ast(struct ldlm_lock *lock, __u64 flags, void *data)
 	    (LDLM_FL_FAILED|LDLM_FL_LOCAL_ONLY)) {
 		if (lock->l_req_mode == lock->l_granted_mode &&
 		    lock->l_granted_mode != LCK_NL &&
-		    NULL == data)
+		    data == NULL)
 			ldlm_lock_decref_internal(lock, lock->l_req_mode);
 
 		/* Need to wake up the waiter if we were evicted */
@@ -614,7 +614,7 @@ ldlm_flock_completion_ast(struct ldlm_lock *lock, __u64 flags, void *data)
 
 	if (!(flags & (LDLM_FL_BLOCK_WAIT | LDLM_FL_BLOCK_GRANTED |
 		       LDLM_FL_BLOCK_CONV))) {
-		if (NULL == data)
+		if (data == NULL)
 			/* mds granted the lock in the reply */
 			goto granted;
 		/* CP AST RPC: lock get granted, wake it up */
@@ -627,10 +627,10 @@ ldlm_flock_completion_ast(struct ldlm_lock *lock, __u64 flags, void *data)
 	obd = class_exp2obd(lock->l_conn_export);
 
 	/* if this is a local lock, there is no import */
-	if (NULL != obd)
+	if (obd != NULL)
 		imp = obd->u.cli.cl_import;
 
-	if (NULL != imp) {
+	if (imp != NULL) {
 		spin_lock(&imp->imp_lock);
 		fwd.fwd_generation = imp->imp_generation;
 		spin_unlock(&imp->imp_lock);

--
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