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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2016-03-25 03:53:42 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2016-03-25 03:53:42 -0300
commit03dd4cb26d967f9588437b0fc9cc0e8353322bb7 (patch)
treefa581f6dc1c0596391690d1f67eceef3af8246dc /drivers/scsi/lpfc/lpfc_sli.c
parentd4e493caf788ef44982e131ff9c786546904d934 (diff)
Linux-libre 4.5-gnu
Diffstat (limited to 'drivers/scsi/lpfc/lpfc_sli.c')
-rw-r--r--drivers/scsi/lpfc/lpfc_sli.c23
1 files changed, 19 insertions, 4 deletions
diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c
index f9585cdd8..92dfd6a51 100644
--- a/drivers/scsi/lpfc/lpfc_sli.c
+++ b/drivers/scsi/lpfc/lpfc_sli.c
@@ -14842,10 +14842,12 @@ lpfc_fc_frame_add(struct lpfc_vport *vport, struct hbq_dmabuf *dmabuf)
struct lpfc_dmabuf *h_buf;
struct hbq_dmabuf *seq_dmabuf = NULL;
struct hbq_dmabuf *temp_dmabuf = NULL;
+ uint8_t found = 0;
INIT_LIST_HEAD(&dmabuf->dbuf.list);
dmabuf->time_stamp = jiffies;
new_hdr = (struct fc_frame_header *)dmabuf->hbuf.virt;
+
/* Use the hdr_buf to find the sequence that this frame belongs to */
list_for_each_entry(h_buf, &vport->rcv_buffer_list, list) {
temp_hdr = (struct fc_frame_header *)h_buf->virt;
@@ -14885,7 +14887,8 @@ lpfc_fc_frame_add(struct lpfc_vport *vport, struct hbq_dmabuf *dmabuf)
return seq_dmabuf;
}
/* find the correct place in the sequence to insert this frame */
- list_for_each_entry_reverse(d_buf, &seq_dmabuf->dbuf.list, list) {
+ d_buf = list_entry(seq_dmabuf->dbuf.list.prev, typeof(*d_buf), list);
+ while (!found) {
temp_dmabuf = container_of(d_buf, struct hbq_dmabuf, dbuf);
temp_hdr = (struct fc_frame_header *)temp_dmabuf->hbuf.virt;
/*
@@ -14895,9 +14898,17 @@ lpfc_fc_frame_add(struct lpfc_vport *vport, struct hbq_dmabuf *dmabuf)
if (be16_to_cpu(new_hdr->fh_seq_cnt) >
be16_to_cpu(temp_hdr->fh_seq_cnt)) {
list_add(&dmabuf->dbuf.list, &temp_dmabuf->dbuf.list);
- return seq_dmabuf;
+ found = 1;
+ break;
}
+
+ if (&d_buf->list == &seq_dmabuf->dbuf.list)
+ break;
+ d_buf = list_entry(d_buf->list.prev, typeof(*d_buf), list);
}
+
+ if (found)
+ return seq_dmabuf;
return NULL;
}
@@ -16173,7 +16184,7 @@ 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 +16340,12 @@ 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",