staging: lustre: libcfs: Remove comparison with zero

Replace comparison with zero with ! operator.

Signed-off-by: Amitoj Kaur Chawla <amitoj1606@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/lustre/lustre/libcfs/hash.c

@@ -800,7 +800,7 @@ cfs_hash_bd_order(struct cfs_hash_bd *bd1, struct cfs_hash_bd *bd2)
 	}
 
 	rc = cfs_hash_bd_compare(bd1, bd2);
-	if (rc == 0)
+	if (!rc)
 		bd2->bd_bucket = NULL;
 	else if (rc > 0)
 		swap(*bd1, *bd2); /* swap bd1 and bd2 */