3.13.11-ckt30 -stable review patch.  If anyone has any objections, please let 
me know.

------------------

From: shengyong <[email protected]>

commit 7c7feb2ebfc9c0552c51f0c050db1d1a004faac5 upstream.

UBI: attaching mtd1 to ubi0
UBI: scanning is finished
UBI error: init_volumes: not enough PEBs, required 706, available 686
UBI error: ubi_wl_init: no enough physical eraseblocks (-20, need 1)
UBI error: ubi_attach_mtd_dev: failed to attach mtd1, error -12 <= NOT ENOMEM
UBI error: ubi_init: cannot attach mtd1

If available PEBs are not enough when initializing volumes, return -ENOSPC
directly. If available PEBs are not enough when initializing WL, return
-ENOSPC instead of -ENOMEM.

Signed-off-by: Sheng Yong <[email protected]>
Signed-off-by: Richard Weinberger <[email protected]>
Reviewed-by: David Gstir <[email protected]>
Signed-off-by: Kamal Mostafa <[email protected]>
---
 drivers/mtd/ubi/vtbl.c | 1 +
 drivers/mtd/ubi/wl.c   | 1 +
 2 files changed, 2 insertions(+)

diff --git a/drivers/mtd/ubi/vtbl.c b/drivers/mtd/ubi/vtbl.c
index d77b1c1..bebf49e 100644
--- a/drivers/mtd/ubi/vtbl.c
+++ b/drivers/mtd/ubi/vtbl.c
@@ -651,6 +651,7 @@ static int init_volumes(struct ubi_device *ubi,
                if (ubi->corr_peb_count)
                        ubi_err("%d PEBs are corrupted and not used",
                                ubi->corr_peb_count);
+               return -ENOSPC;
        }
        ubi->rsvd_pebs += reserved_pebs;
        ubi->avail_pebs -= reserved_pebs;
diff --git a/drivers/mtd/ubi/wl.c b/drivers/mtd/ubi/wl.c
index c6b0b07..2060fef 100644
--- a/drivers/mtd/ubi/wl.c
+++ b/drivers/mtd/ubi/wl.c
@@ -1974,6 +1974,7 @@ int ubi_wl_init(struct ubi_device *ubi, struct 
ubi_attach_info *ai)
                if (ubi->corr_peb_count)
                        ubi_err("%d PEBs are corrupted and not used",
                                ubi->corr_peb_count);
+               err = -ENOSPC;
                goto out_free;
        }
        ubi->avail_pebs -= reserved_pebs;
-- 
1.9.1

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