forked from Minki/linux
[SCSI] lpfc 8.3.37: Fixed infinite loop in lpfc_sli4_fcf_rr_next_index_get.
Signed-off-by: James Smart <james.smart@emulex.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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@ -15556,10 +15556,13 @@ lpfc_sli4_fcf_rr_next_index_get(struct lpfc_hba *phba)
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{
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uint16_t next_fcf_index;
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initial_priority:
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/* Search start from next bit of currently registered FCF index */
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next_fcf_index = phba->fcf.current_rec.fcf_indx;
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next_priority:
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next_fcf_index = (phba->fcf.current_rec.fcf_indx + 1) %
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LPFC_SLI4_FCF_TBL_INDX_MAX;
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/* Determine the next fcf index to check */
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next_fcf_index = (next_fcf_index + 1) % LPFC_SLI4_FCF_TBL_INDX_MAX;
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next_fcf_index = find_next_bit(phba->fcf.fcf_rr_bmask,
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LPFC_SLI4_FCF_TBL_INDX_MAX,
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next_fcf_index);
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@ -15586,7 +15589,7 @@ next_priority:
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* at that level and continue the selection process.
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*/
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if (lpfc_check_next_fcf_pri_level(phba))
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goto next_priority;
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goto initial_priority;
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lpfc_printf_log(phba, KERN_WARNING, LOG_FIP,
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"2844 No roundrobin failover FCF available\n");
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if (next_fcf_index >= LPFC_SLI4_FCF_TBL_INDX_MAX)
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