nfsd: fix fi_delegees leak when fi_had_conflict returns true
commit 94ae1db2 upstream. Currently, nfs4_set_delegation takes a reference to an existing delegation and then checks to see if there is a conflict. If there is one, then it doesn't release that reference. Change the code to take the reference after the check and only if there is no conflict. Signed-off-by: Jeff Layton <jlayton@primarydata.com> Signed-off-by: J. Bruce Fields <bfields@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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