| From | Greg Kroah-Hartman <> | Subject | [PATCH 4.14 122/126] mtd: ubi: wl: Fix error return code in ubi_wl_init() | Date | Tue, 18 Sep 2018 00:42:50 +0200 |
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4.14-stable review patch. If anyone has any objections, please let me know.
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From: Wei Yongjun <weiyongjun1@huawei.com>
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Fixes: f78e5623f45b ("ubi: fastmap: Erase outdated anchor PEBs during attach") Signed-off-by: Wei Yongjun 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@huawei.com> Reviewed-by: Boris Brezillon <boris.brezillon@free-electrons.com> Signed-off-by: Richard Weinberger <richard@nod.at> Cc: Ben Hutchings <ben.hutchings@codethink.co.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
--- 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 @@ -1615,8 +1615,10 @@ 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; @@ -1635,8 +1637,10 @@ 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;
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