eCryptfs: remove assignments in if-statements

Remove assignments in if-statements.

Signed-off-by: Michael Halcrow <mhalcrow@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/fs/ecryptfs/messaging.c b/fs/ecryptfs/messaging.c
index a9d87c4..a96d341 100644
--- a/fs/ecryptfs/messaging.c
+++ b/fs/ecryptfs/messaging.c
@@ -419,8 +419,9 @@
 	}
 	mutex_init(&ecryptfs_daemon_id_hash_mux);
 	mutex_lock(&ecryptfs_daemon_id_hash_mux);
-	ecryptfs_hash_buckets = 0;
-	while (ecryptfs_number_of_users >> ++ecryptfs_hash_buckets);
+	ecryptfs_hash_buckets = 1;
+	while (ecryptfs_number_of_users >> ecryptfs_hash_buckets)
+		ecryptfs_hash_buckets++;
 	ecryptfs_daemon_id_hash = kmalloc(sizeof(struct hlist_head)
 					  * ecryptfs_hash_buckets, GFP_KERNEL);
 	if (!ecryptfs_daemon_id_hash) {