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[04/10] NFS: Fix a request reference leak in nfs_direct_write_clear_reqs()

Message ID 20200401185652.1904777-5-trondmy@kernel.org (mailing list archive)
State New, archived
Headers show
Series NFS: Fix a number of memory leaks and use-after-free | expand

Commit Message

trondmy@kernel.org April 1, 2020, 6:56 p.m. UTC
From: Trond Myklebust <trond.myklebust@hammerspace.com>

nfs_direct_write_scan_commit_list() will lock the request and bump
the reference count, but we also need to account for the reference
that was taken when we initially added the request to the commit list.

Fixes: fb5f7f20cdb9 ("NFS: commit errors should be fatal")
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
 fs/nfs/direct.c | 1 +
 1 file changed, 1 insertion(+)
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diff --git a/fs/nfs/direct.c b/fs/nfs/direct.c
index 51ab4627c4d6..8074304fd5b4 100644
--- a/fs/nfs/direct.c
+++ b/fs/nfs/direct.c
@@ -646,6 +646,7 @@  static void nfs_direct_write_clear_reqs(struct nfs_direct_req *dreq)
 	while (!list_empty(&reqs)) {
 		req = nfs_list_entry(reqs.next);
+		nfs_release_request(req);