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[SCSI] libfc: fixed a soft lockup issue in fc_exch_recv_abts
The fc_seq_start_next grabs ep->ex_lock but this lock was already held here, so instead called fc_seq_start_next_locked to avoid soft lockup. Signed-off-by: Vasu Dev <vasu.dev@intel.com> Signed-off-by: Robert Love <robert.w.love@intel.com> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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@ -1096,7 +1096,7 @@ static void fc_exch_recv_abts(struct fc_exch *ep, struct fc_frame *rx_fp)
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ap->ba_high_seq_cnt = fh->fh_seq_cnt;
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ap->ba_low_seq_cnt = htons(sp->cnt);
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}
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sp = fc_seq_start_next(sp);
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sp = fc_seq_start_next_locked(sp);
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spin_unlock_bh(&ep->ex_lock);
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fc_seq_send_last(sp, fp, FC_RCTL_BA_ACC, FC_TYPE_BLS);
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fc_frame_free(rx_fp);
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