diff options
| author | Joe Eykholt <jeykholt@cisco.com> | 2010-11-30 16:19:51 -0800 |
|---|---|---|
| committer | James Bottomley <James.Bottomley@suse.de> | 2010-12-21 12:24:32 -0600 |
| commit | b69ae0ae3f322d9a6bc4e209049b5b6e193ad652 (patch) | |
| tree | 87e5dc0b75fafdddeaaa6181469fcda53ea239a3 | |
| parent | c47036a7cd378533495d8cc06a7cf8a881072a9d (diff) | |
| download | lwn-b69ae0ae3f322d9a6bc4e209049b5b6e193ad652.tar.gz lwn-b69ae0ae3f322d9a6bc4e209049b5b6e193ad652.zip | |
[SCSI] libfcoe: fix checking of conflicting fabrics in fcoe_ctlr_select()
The check for conflicting fabrics in fcoe_ctlr_select()
ignores any FCFs that aren't usable. This is a minor
problem now but becomes more pronounced after later patches.
Signed-off-by: Joe Eykholt <jeykholt@cisco.com>
Signed-off-by: Robert Love <robert.w.love@intel.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
| -rw-r--r-- | drivers/scsi/fcoe/libfcoe.c | 17 |
1 files changed, 10 insertions, 7 deletions
diff --git a/drivers/scsi/fcoe/libfcoe.c b/drivers/scsi/fcoe/libfcoe.c index 4d0be20cb73d..826c260f7951 100644 --- a/drivers/scsi/fcoe/libfcoe.c +++ b/drivers/scsi/fcoe/libfcoe.c @@ -1361,12 +1361,22 @@ static void fcoe_ctlr_select(struct fcoe_ctlr *fip) { struct fcoe_fcf *fcf; struct fcoe_fcf *best = NULL; + struct fcoe_fcf *first; + + first = list_first_entry(&fip->fcfs, struct fcoe_fcf, list); list_for_each_entry(fcf, &fip->fcfs, list) { LIBFCOE_FIP_DBG(fip, "consider FCF for fab %16.16llx " "VFID %d map %x val %d\n", fcf->fabric_name, fcf->vfid, fcf->fc_map, fcoe_ctlr_mtu_valid(fcf)); + if (fcf->fabric_name != first->fabric_name || + fcf->vfid != first->vfid || + fcf->fc_map != first->fc_map) { + LIBFCOE_FIP_DBG(fip, "Conflicting fabric, VFID, " + "or FC-MAP\n"); + return NULL; + } if (!fcoe_ctlr_fcf_usable(fcf)) { LIBFCOE_FIP_DBG(fip, "FCF for fab %16.16llx " "map %x %svalid %savailable\n", @@ -1380,13 +1390,6 @@ static void fcoe_ctlr_select(struct fcoe_ctlr *fip) best = fcf; continue; } - if (fcf->fabric_name != best->fabric_name || - fcf->vfid != best->vfid || - fcf->fc_map != best->fc_map) { - LIBFCOE_FIP_DBG(fip, "Conflicting fabric, VFID, " - "or FC-MAP\n"); - return; - } if (fcf->pri < best->pri) best = fcf; } |