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H A Ddirect.cdiff 8605cf0e852af3b2c771c18417499dc4ceed03d5 Wed Aug 28 03:01:22 CDT 2019 Misono Tomohiro <misono.tomohiro@jp.fujitsu.com> NFS: direct.c: Fix memory leak of dreq when nfs_get_lock_context fails

When dreq is allocated by nfs_direct_req_alloc(), dreq->kref is
initialized to 2. Therefore we need to call nfs_direct_req_release()
twice to release the allocated dreq. Usually it is called in
nfs_file_direct_{read, write}() and nfs_direct_complete().

However, current code only calls nfs_direct_req_relese() once if
nfs_get_lock_context() fails in nfs_file_direct_{read, write}().
So, that case would result in memory leak.

Fix this by adding the missing call.

Signed-off-by: Misono Tomohiro <misono.tomohiro@jp.fujitsu.com>
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>