mirror of
https://github.com/brain-hackers/linux-brain.git
synced 2024-06-09 23:36:23 +09:00
NFS: Fix a page leak in nfs_destroy_unlinked_subrequests()
commit add42de31721fa29ed77a7ce388674d69f9d31a4 upstream.
When we detach a subrequest from the list, we must also release the
reference it holds to the parent.
Fixes: 5b2b5187fa
("NFS: Fix nfs_page_group_destroy() and nfs_lock_and_join_requests() race cases")
Cc: stable@vger.kernel.org # v4.14+
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
parent
6b64cbd058
commit
699d2c4d66
|
@ -441,6 +441,7 @@ nfs_destroy_unlinked_subrequests(struct nfs_page *destroy_list,
|
|||
}
|
||||
|
||||
subreq->wb_head = subreq;
|
||||
nfs_release_request(old_head);
|
||||
|
||||
if (test_and_clear_bit(PG_INODE_REF, &subreq->wb_flags)) {
|
||||
nfs_release_request(subreq);
|
||||
|
|
Loading…
Reference in New Issue
Block a user