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[SCSI] libfc: fix: empty zone causes endless discovery retries.

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On some switches, an empty zone causes GPN_FT to be rejected
with reason 9 (unable) explanation 7 (FC-4 types not registered),
which causes discovery to be retried endlessly.  Treat this as
just an empty response and consider discovery complete.

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>
This commit is contained in:
Joe Eykholt
2009-08-25 14:02:33 -07:00
committed by James Bottomley
parent 883a337cf8
commit c762608bf7
2 changed files with 4 additions and 0 deletions
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include/scsi/fc/fc_gs.h
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@@ -87,6 +87,7 @@ enum fc_ct_explan {
FC_FS_EXP_PNAM = 0x02, /* port name not registered */
FC_FS_EXP_NNAM = 0x03, /* node name not registered */
FC_FS_EXP_COS = 0x04, /* class of service not registered */
FC_FS_EXP_FTNR = 0x07, /* FC-4 types not registered */
/* definitions not complete */
};