[PATCH] UBIFS: remove unnecessary code in ubifs_garbage_collect

[wang.bo116 at zte.com.cn]

Hi,
	In ubifs_garbage_collect, "space_before" calculate twice, i think the
first one is unnecessary.


Signed-off-by: wang bo <wang.bo116 at zte.com.cn>
diff --git a/fs/ubifs/gc.c b/fs/ubifs/gc.c
index 76ca53c..38dc67d 100755
--- a/fs/ubifs/gc.c
+++ b/fs/ubifs/gc.c
@@ -668,7 +668,7 @@ int ubifs_garbage_collect(struct ubifs_info *c, int
anyway)
 	ubifs_assert(!wbuf->used);

 	for (i = 0; ; i++) {
-		int space_before = c->leb_size - wbuf->offs - wbuf->used;
+		int space_before;
 		int space_after;

 		cond_resched();