scsi: lpfc: Handle duplicate D_IDs in ndlp search-by D_ID routine

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[ Upstream commit 56c3d809b7 ]

After a port swap between separate fabrics, there may be multiple nodes in
the vport's fc_nodes list with the same fabric well known address.
Duplication is temporary and eventually resolves itself after dev_loss_tmo
expires, but nameserver queries may still occur before dev_loss_tmo.  This
possibly results in returning stale fabric ndlp objects.  Fix by adding an
nlp_state check to ensure the ndlp search routine returns the correct newer
allocated ndlp fabric object.

Signed-off-by: Justin Tee <justin.tee@broadcom.com>
Link: https://lore.kernel.org/r/20250131000524.163662-5-justintee8345@gmail.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

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Justin Tee 2025-01-30 16:05:22 -08:00 • committed by Greg Kroah-Hartman

parent f5ce562857

commit c670902775

1 changed files with 12 additions and 5 deletions

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drivers/scsi/lpfc/lpfc_hbadisc.c

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