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Commit 75ad83a4 authored by James Smart's avatar James Smart Committed by James Bottomley
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[SCSI] lpfc 8.3.31: Fix driver crash during back-to-back ramp events 



Signed-off-by: default avatarAlex Iannicelli <alex.iannicelli@emulex.com>
Signed-off-by: default avatarJames Smart <james.smart@emulex.com>
Signed-off-by: default avatarJames Bottomley <JBottomley@Parallels.com>
parent cc459f19

drivers/scsi/lpfc/lpfc_scsi.c

+8 −0
Original line number Diff line number Diff line
@@ -399,6 +399,14 @@ lpfc_ramp_down_queue_handler(struct lpfc_hba *phba) 
	num_rsrc_err = atomic_read(&phba->num_rsrc_err);

	num_cmd_success = atomic_read(&phba->num_cmd_success);



	/*

	 * The error and success command counters are global per

	 * driver instance.  If another handler has already

	 * operated on this error event, just exit.

	 */

	if (num_rsrc_err == 0)

		return;



	vports = lpfc_create_vport_work_array(phba);

	if (vports != NULL)

		for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) {