3.16.57-rc1 review patch. If anyone has any objections, please let me know. ------------------ From: Wei Yongjun <weiyongjun1@xxxxxxxxxx> commit 7233982ade15eeac05c6f351e8d347406e6bcd2f upstream. Fix to return error code -ENOMEM from the kmem_cache_alloc() error handling case instead of 0, as done elsewhere in this function. Fixes: f78e5623f45b ("ubi: fastmap: Erase outdated anchor PEBs during attach") Signed-off-by: Wei Yongjun <weiyongjun1@xxxxxxxxxx> Reviewed-by: Boris Brezillon <boris.brezillon@xxxxxxxxxxxxxxxxxx> Signed-off-by: Richard Weinberger <richard@xxxxxx> Signed-off-by: Ben Hutchings <ben@xxxxxxxxxxxxxxx> --- drivers/mtd/ubi/wl.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) --- a/drivers/mtd/ubi/wl.c +++ b/drivers/mtd/ubi/wl.c @@ -1925,8 +1925,10 @@ int ubi_wl_init(struct ubi_device *ubi, 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; @@ -1966,8 +1968,10 @@ int ubi_wl_init(struct ubi_device *ubi, 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;