UBI: fix refill_wl_user_pool()

If no free PEBs are available refill_wl_user_pool() must not
return with -ENOSPC immediately.
It has to block till produce_free_peb() produced a free PEB.

Reported-and-Tested-by: Richard Genoud <richard.genoud@gmail.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>

diff --git a/drivers/mtd/ubi/wl.c b/drivers/mtd/ubi/wl.c
index c95bfb183c62b185f2f6cc17b5d84245bdd2d13d..02317c1c02385914c94175fa8757089c677e2b94 100644 (file)
--- a/drivers/mtd/ubi/wl.c
+++ b/drivers/mtd/ubi/wl.c
@@ -599,10 +599,6 @@ static void refill_wl_user_pool(struct ubi_device *ubi)
        return_unused_pool_pebs(ubi, pool);
 
        for (pool->size = 0; pool->size < pool->max_size; pool->size++) {
-               if (!ubi->free.rb_node ||
-                  (ubi->free_count - ubi->beb_rsvd_pebs < 1))
-                       break;
-
                pool->pebs[pool->size] = __wl_get_peb(ubi);
                if (pool->pebs[pool->size] < 0)
                        break;