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(parent: c4b5d77) | patch
dm btree: fix leak of bufio-backed block in btree_split_sibling error path
authorMike Snitzer <snitzer@redhat.com>
Mon, 23 Nov 2015 21:24:45 +0000 (16:24 -0500)
committerZefan Li <lizefan@huawei.com>
Wed, 26 Oct 2016 15:15:35 +0000 (23:15 +0800)
commit86325076e9777158fa4bd3946c7907b78d69f1eb
tree400d6917c14ce8cef9b3b4f811f85beb236c2c03tree | snapshot
parentc4b5d77abb7e7c160d5d8c9976e35753caf5fc0bcommit | diff
dm btree: fix leak of bufio-backed block in btree_split_sibling error path

commit 30ce6e1cc5a0f781d60227e9096c86e188d2c2bd upstream.

The block allocated at the start of btree_split_sibling() is never
released if later insert_at() fails.

Fix this by releasing the previously allocated bufio block using
unlock_block().

Reported-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: Zefan Li <lizefan@huawei.com>
drivers/md/persistent-data/dm-btree.c diff | blob | history
wrapfs-3.4.y