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Commit 780a3762 authored by Yang, Bo's avatar Yang, Bo Committed by James Bottomley
Browse files

[SCSI] megaraid_sas: Zero pad_0 in mfi structure 



Add the pad_0 in mfi frame structure to 0 to fix the context value
larger than 32bit value issue.

Signed-off-by Bo Yang<bo.yang@lsi.com>
Signed-off-by: default avatarJames Bottomley <James.Bottomley@suse.de>
parent 7c0616b8

drivers/scsi/megaraid/megaraid_sas.c

+7 −0
Original line number Diff line number Diff line
@@ -843,6 +843,7 @@ megasas_build_dcdb(struct megasas_instance *instance, struct scsi_cmnd *scp, 
	pthru->lun = scp->device->lun;

	pthru->cdb_len = scp->cmd_len;

	pthru->timeout = 0;

	pthru->pad_0 = 0;

	pthru->flags = flags;

	pthru->data_xfer_len = scsi_bufflen(scp);
@@ -2250,6 +2251,7 @@ megasas_get_pd_list(struct megasas_instance *instance) 
	dcmd->sge_count = 1;

	dcmd->flags = MFI_FRAME_DIR_READ;

	dcmd->timeout = 0;

	dcmd->pad_0 = 0;

	dcmd->data_xfer_len = MEGASAS_MAX_PD * sizeof(struct MR_PD_LIST);

	dcmd->opcode = MR_DCMD_PD_LIST_QUERY;

	dcmd->sgl.sge32[0].phys_addr = ci_h;
@@ -2339,6 +2341,7 @@ megasas_get_ctrl_info(struct megasas_instance *instance, 
	dcmd->sge_count = 1;

	dcmd->flags = MFI_FRAME_DIR_READ;

	dcmd->timeout = 0;

	dcmd->pad_0 = 0;

	dcmd->data_xfer_len = sizeof(struct megasas_ctrl_info);

	dcmd->opcode = MR_DCMD_CTRL_GET_INFO;

	dcmd->sgl.sge32[0].phys_addr = ci_h;
@@ -2714,6 +2717,7 @@ megasas_get_seq_num(struct megasas_instance *instance, 
	dcmd->sge_count = 1;

	dcmd->flags = MFI_FRAME_DIR_READ;

	dcmd->timeout = 0;

	dcmd->pad_0 = 0;

	dcmd->data_xfer_len = sizeof(struct megasas_evt_log_info);

	dcmd->opcode = MR_DCMD_CTRL_EVENT_GET_INFO;

	dcmd->sgl.sge32[0].phys_addr = el_info_h;
@@ -2828,6 +2832,7 @@ megasas_register_aen(struct megasas_instance *instance, u32 seq_num, 
	dcmd->sge_count = 1;

	dcmd->flags = MFI_FRAME_DIR_READ;

	dcmd->timeout = 0;

	dcmd->pad_0 = 0;

	dcmd->data_xfer_len = sizeof(struct megasas_evt_detail);

	dcmd->opcode = MR_DCMD_CTRL_EVENT_WAIT;

	dcmd->mbox.w[0] = seq_num;
@@ -3166,6 +3171,7 @@ static void megasas_flush_cache(struct megasas_instance *instance) 
	dcmd->sge_count = 0;

	dcmd->flags = MFI_FRAME_DIR_NONE;

	dcmd->timeout = 0;

	dcmd->pad_0 = 0;

	dcmd->data_xfer_len = 0;

	dcmd->opcode = MR_DCMD_CTRL_CACHE_FLUSH;

	dcmd->mbox.b[0] = MR_FLUSH_CTRL_CACHE | MR_FLUSH_DISK_CACHE;
@@ -3205,6 +3211,7 @@ static void megasas_shutdown_controller(struct megasas_instance *instance, 
	dcmd->sge_count = 0;

	dcmd->flags = MFI_FRAME_DIR_NONE;

	dcmd->timeout = 0;

	dcmd->pad_0 = 0;

	dcmd->data_xfer_len = 0;

	dcmd->opcode = opcode;