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authorJames Smart <james.smart@avagotech.com>2015-12-17 02:11:52 +0300
committerMartin K. Petersen <martin.petersen@oracle.com>2015-12-22 05:49:32 +0300
commitf5cb5304eb26d307c9b30269fb0e007e0b262b7d (patch)
treebfc363a912a645773b522e26109fe948fb352bde /drivers/scsi/lpfc
parentdf2d8213d9e3f636f8273847cf906ded3535ec2f (diff)
downloadlinux-f5cb5304eb26d307c9b30269fb0e007e0b262b7d.tar.xz
lpfc: Fix FCF Infinite loop in lpfc_sli4_fcf_rr_next_index_get.
Fix FCF Infinite loop in lpfc_sli4_fcf_rr_next_index_get. Signed-off-by: Dick Kennedy <dick.kennedy@avagotech.com> Signed-off-by: James Smart <james.smart@avagotech.com> Reviewed-by: Hannes Reinicke <hare@suse.de> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/lpfc')
-rw-r--r--drivers/scsi/lpfc/lpfc_sli.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c
index f9585cdd8933..6aae828208e2 100644
--- a/drivers/scsi/lpfc/lpfc_sli.c
+++ b/drivers/scsi/lpfc/lpfc_sli.c
@@ -16173,7 +16173,7 @@ fail_fcf_read:
}
/**
- * lpfc_check_next_fcf_pri
+ * lpfc_check_next_fcf_pri_level
* phba pointer to the lpfc_hba struct for this port.
* This routine is called from the lpfc_sli4_fcf_rr_next_index_get
* routine when the rr_bmask is empty. The FCF indecies are put into the
@@ -16329,8 +16329,12 @@ next_priority:
if (next_fcf_index < LPFC_SLI4_FCF_TBL_INDX_MAX &&
phba->fcf.fcf_pri[next_fcf_index].fcf_rec.flag &
- LPFC_FCF_FLOGI_FAILED)
+ LPFC_FCF_FLOGI_FAILED) {
+ if (list_is_singular(&phba->fcf.fcf_pri_list))
+ return LPFC_FCOE_FCF_NEXT_NONE;
+
goto next_priority;
+ }
lpfc_printf_log(phba, KERN_INFO, LOG_FIP,
"2845 Get next roundrobin failover FCF (x%x)\n",