forked from luck/tmp_suning_uos_patched
NTB: correct ntb_peer_spad_read for case when callback is not supplied.
Correct ntb_peer_spad_read for case when callback is not supplied Signed-off-by: Steve Wahl <Steve.Wahl@dell.com> Acked-by: Allen Hubbe <Allen.Hubbe@dell.com> Signed-off-by: Jon Mason <jdmason@kudzu.us>
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@ -968,6 +968,9 @@ static inline int ntb_peer_spad_addr(struct ntb_dev *ntb, int idx,
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*/
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static inline u32 ntb_peer_spad_read(struct ntb_dev *ntb, int idx)
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{
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if (!ntb->ops->peer_spad_read)
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return 0;
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return ntb->ops->peer_spad_read(ntb, idx);
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}
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