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authorWei Yongjun <weiyongjun1@huawei.com>2018-01-18 14:05:05 +0000
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-09-19 22:47:16 +0200
commit3fe958010928c6e5e6dee1e9cff9bd47939ea808 (patch)
tree0af5ad43e276933e0d127bbddf083de1344f1eb0
parent3ea051bcf2cd0860c97c7133e1a20923be7529fb (diff)
mtd: ubi: wl: Fix error return code in ubi_wl_init()
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 Fixes: f78e5623f45b ("ubi: fastmap: Erase outdated anchor PEBs during attach") Signed-off-by: Wei Yongjun 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>
-rw-r--r--drivers/mtd/ubi/wl.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/mtd/ubi/wl.c b/drivers/mtd/ubi/wl.c
index 23a6986d512b..a8f74d9bba4f 100644
--- a/drivers/mtd/ubi/wl.c
+++ b/drivers/mtd/ubi/wl.c
@@ -1615,8 +1615,10 @@ 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;
@@ -1635,8 +1637,10 @@ 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;