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NFSD: Keep existing listeners on portlist error
If nfsd has existing listening sockets without any processes, then an error returned from svc_create_xprt() for an additional transport will remove those existing listeners. We're seeing this in practice when userspace attempts to create rpcrdma transports without having the rpcrdma modules present before creating nfsd kernel processes. Fix this by checking for existing sockets before calling nfsd_destroy(). Signed-off-by: Benjamin Coddington <bcodding@redhat.com> Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
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1 changed files with 4 additions and 1 deletions
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@ -793,6 +793,9 @@ static ssize_t __write_ports_addxprt(char *buf, struct net *net, const struct cr
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svc_xprt_put(xprt);
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svc_xprt_put(xprt);
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}
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}
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out_err:
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out_err:
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if (!list_empty(&nn->nfsd_serv->sv_permsocks))
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nn->nfsd_serv->sv_nrthreads--;
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else
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nfsd_destroy(net);
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nfsd_destroy(net);
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return err;
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return err;
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}
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}
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