[PATCH -next] mtd: ubi: wl: Fix error return code in ubi_wl_init()

[Wei Yongjun]

Fix to return error code -ENOMEM from the kmem_cache_alloc() error
handling case instead of 0, as done elsewhere in this function.

Signed-off-by: Wei Yongjun <weiyongj...@huawei.com>
---
 drivers/mtd/ubi/wl.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/drivers/mtd/ubi/wl.c b/drivers/mtd/ubi/wl.c
index 77ab49f..2052a64 100644
--- a/drivers/mtd/ubi/wl.c
+++ b/drivers/mtd/ubi/wl.c
@@ -1617,8 +1617,10 @@ int ubi_wl_init(struct ubi_device *ubi, struct 
ubi_attach_info *ai)
                cond_resched();
 
                e = kmem_cache_alloc(ubi_wl_entry_slab, GFP_KERNEL);
-               if (!e)
+               if (!e) {
+                       err = -ENOMEM;
                        goto out_free;
+               }
 
                e->pnum = aeb->pnum;
                e->ec = aeb->ec;
@@ -1637,8 +1639,10 @@ int ubi_wl_init(struct ubi_device *ubi, struct 
ubi_attach_info *ai)
                        cond_resched();
 
                        e = kmem_cache_alloc(ubi_wl_entry_slab, GFP_KERNEL);
-                       if (!e)
+                       if (!e) {
+                               err = -ENOMEM;
                                goto out_free;
+                       }
 
                        e->pnum = aeb->pnum;
                        e->ec = aeb->ec;