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

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Signed-off-by: James Smart <james.smart@emulex.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
This commit is contained in:
James Smart 2013-01-03 15:44:16 -05:00 committed by James Bottomley
parent 0a630c2788
commit 421c66228a
1 changed files with 6 additions and 3 deletions
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9
drivers/scsi/lpfc/lpfc_sli.c
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@ -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)