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nfsd: Fix an Oops in free_session()
In call_xpt_users(), we delete the entry from the list, but we do not reinitialise it. This triggers the list poisoning when we later call unregister_xpt_user() in nfsd4_del_conns(). Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com> Cc: stable@vger.kernel.org Signed-off-by: J. Bruce Fields <bfields@redhat.com>
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@ -989,7 +989,7 @@ static void call_xpt_users(struct svc_xprt *xprt)
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spin_lock(&xprt->xpt_lock);
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while (!list_empty(&xprt->xpt_users)) {
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u = list_first_entry(&xprt->xpt_users, struct svc_xpt_user, list);
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list_del(&u->list);
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list_del_init(&u->list);
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u->callback(u);
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}
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spin_unlock(&xprt->xpt_lock);
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