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Commit 0a630c27 authored by James Smart's avatar James Smart Committed by James Bottomley
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[SCSI] lpfc 8.3.37: Fixed crash due to SLI Port invalid resource count 



Signed-off-by: default avatarJames Smart <james.smart@emulex.com>
Signed-off-by: default avatarJames Bottomley <JBottomley@Parallels.com>
parent 962bc51b

drivers/scsi/lpfc/lpfc_sli.c

+28 −0
Original line number Diff line number Diff line
@@ -5639,6 +5639,13 @@ lpfc_sli4_alloc_resource_identifiers(struct lpfc_hba *phba) 
		}

		/* RPIs. */

		count = phba->sli4_hba.max_cfg_param.max_rpi;

		if (count <= 0) {

			lpfc_printf_log(phba, KERN_ERR, LOG_SLI,

					"3279 Invalid provisioning of "

					"rpi:%d\n", count);

			rc = -EINVAL;

			goto err_exit;

		}

		base = phba->sli4_hba.max_cfg_param.rpi_base;

		longs = (count + BITS_PER_LONG - 1) / BITS_PER_LONG;

		phba->sli4_hba.rpi_bmask = kzalloc(longs *
@@ -5661,6 +5668,13 @@ lpfc_sli4_alloc_resource_identifiers(struct lpfc_hba *phba) 


		/* VPIs. */

		count = phba->sli4_hba.max_cfg_param.max_vpi;

		if (count <= 0) {

			lpfc_printf_log(phba, KERN_ERR, LOG_SLI,

					"3280 Invalid provisioning of "

					"vpi:%d\n", count);

			rc = -EINVAL;

			goto free_rpi_ids;

		}

		base = phba->sli4_hba.max_cfg_param.vpi_base;

		longs = (count + BITS_PER_LONG - 1) / BITS_PER_LONG;

		phba->vpi_bmask = kzalloc(longs *
@@ -5683,6 +5697,13 @@ lpfc_sli4_alloc_resource_identifiers(struct lpfc_hba *phba) 


		/* XRIs. */

		count = phba->sli4_hba.max_cfg_param.max_xri;

		if (count <= 0) {

			lpfc_printf_log(phba, KERN_ERR, LOG_SLI,

					"3281 Invalid provisioning of "

					"xri:%d\n", count);

			rc = -EINVAL;

			goto free_vpi_ids;

		}

		base = phba->sli4_hba.max_cfg_param.xri_base;

		longs = (count + BITS_PER_LONG - 1) / BITS_PER_LONG;

		phba->sli4_hba.xri_bmask = kzalloc(longs *
@@ -5706,6 +5727,13 @@ lpfc_sli4_alloc_resource_identifiers(struct lpfc_hba *phba) 


		/* VFIs. */

		count = phba->sli4_hba.max_cfg_param.max_vfi;

		if (count <= 0) {

			lpfc_printf_log(phba, KERN_ERR, LOG_SLI,

					"3282 Invalid provisioning of "

					"vfi:%d\n", count);

			rc = -EINVAL;

			goto free_xri_ids;

		}

		base = phba->sli4_hba.max_cfg_param.vfi_base;

		longs = (count + BITS_PER_LONG - 1) / BITS_PER_LONG;

		phba->sli4_hba.vfi_bmask = kzalloc(longs *