UBI: Fastmap: Remove else after return.

checkpatch.pl complains:
WARNING: else is not generally useful after a break or return

Signed-off-by: Richard Weinberger <richard@nod.at>
diff --git a/drivers/mtd/ubi/fastmap-wl.c b/drivers/mtd/ubi/fastmap-wl.c
index c471753..7a72af2 100644
--- a/drivers/mtd/ubi/fastmap-wl.c
+++ b/drivers/mtd/ubi/fastmap-wl.c
@@ -260,10 +260,10 @@
 			schedule_work(&ubi->fm_work);
 		}
 		return NULL;
-	} else {
-		pnum = pool->pebs[pool->used++];
-		return ubi->lookuptbl[pnum];
 	}
+
+	pnum = pool->pebs[pool->used++];
+	return ubi->lookuptbl[pnum];
 }
 
 /**