scsi: hisi_sas: Fix out of bound at debug_I_T_nexus_reset() (445ee2de) · Commits · 戴 / test

drivers/scsi/hisi_sas/hisi_sas_main.c

+8 −3

Original line number	Diff line number	Diff line
		@@ -1762,13 +1762,14 @@ static int hisi_sas_debug_I_T_nexus_reset(struct domain_device *device)
		struct hisi_sas_device *sas_dev = device->lldd_dev;
		struct hisi_hba *hisi_hba = dev_to_hisi_hba(device);
		struct sas_ha_struct *sas_ha = &hisi_hba->sha;
		struct asd_sas_phy *sas_phy = sas_ha->sas_phy[local_phy->number];
		struct hisi_sas_phy *phy = container_of(sas_phy,
		struct hisi_sas_phy, sas_phy);
		DECLARE_COMPLETION_ONSTACK(phyreset);
		int rc, reset_type;

		if (scsi_is_sas_phy_local(local_phy)) {
		struct asd_sas_phy *sas_phy =
		sas_ha->sas_phy[local_phy->number];
		struct hisi_sas_phy *phy =
		container_of(sas_phy, struct hisi_sas_phy, sas_phy);
		phy->in_reset = 1;
		phy->reset_completion = &phyreset;
		}
		@@ -1780,6 +1781,10 @@ static int hisi_sas_debug_I_T_nexus_reset(struct domain_device *device)
		sas_put_local_phy(local_phy);

		if (scsi_is_sas_phy_local(local_phy)) {
		struct asd_sas_phy *sas_phy =
		sas_ha->sas_phy[local_phy->number];
		struct hisi_sas_phy *phy =
		container_of(sas_phy, struct hisi_sas_phy, sas_phy);
		int ret = wait_for_completion_timeout(&phyreset, 2 * HZ);
		unsigned long flags;