diff options
| author | James Smart <james.smart@emulex.com> | 2013-01-03 15:44:16 -0500 |
|---|---|---|
| committer | James Bottomley <JBottomley@Parallels.com> | 2013-01-30 11:39:57 +1100 |
| commit | 421c66228a168f65494511231265594545c7f1da (patch) | |
| tree | c84a2cdf41cd7ecbcced1c38d2d7c7c37bc6b6f5 /drivers/scsi/lpfc | |
| parent | 0a630c2788e87c65d1ac5ff23bbea10a3b1fbc30 (diff) | |
[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>
Diffstat (limited to 'drivers/scsi/lpfc')
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_sli.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c index fde41b864384..55b6fc83ad71 100644 --- a/drivers/scsi/lpfc/lpfc_sli.c +++ b/drivers/scsi/lpfc/lpfc_sli.c @@ -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 @@ next_priority: * 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) |