提交 421c6622 编写于 作者: J James Smart 提交者: James Bottomley

[SCSI] lpfc 8.3.37: Fixed infinite loop in lpfc_sli4_fcf_rr_next_index_get.

Signed-off-by: NJames Smart <james.smart@emulex.com>
Signed-off-by: NJames Bottomley <JBottomley@Parallels.com>
上级 0a630c27
......@@ -15556,10 +15556,13 @@ lpfc_sli4_fcf_rr_next_index_get(struct lpfc_hba *phba)
{
uint16_t next_fcf_index;
initial_priority:
/* Search start from next bit of currently registered FCF index */
next_fcf_index = phba->fcf.current_rec.fcf_indx;
next_priority:
next_fcf_index = (phba->fcf.current_rec.fcf_indx + 1) %
LPFC_SLI4_FCF_TBL_INDX_MAX;
/* Determine the next fcf index to check */
next_fcf_index = (next_fcf_index + 1) % LPFC_SLI4_FCF_TBL_INDX_MAX;
next_fcf_index = find_next_bit(phba->fcf.fcf_rr_bmask,
LPFC_SLI4_FCF_TBL_INDX_MAX,
next_fcf_index);
......@@ -15586,7 +15589,7 @@ lpfc_sli4_fcf_rr_next_index_get(struct lpfc_hba *phba)
* at that level and continue the selection process.
*/
if (lpfc_check_next_fcf_pri_level(phba))
goto next_priority;
goto initial_priority;
lpfc_printf_log(phba, KERN_WARNING, LOG_FIP,
"2844 No roundrobin failover FCF available\n");
if (next_fcf_index >= LPFC_SLI4_FCF_TBL_INDX_MAX)
......
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