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Subject[PATCH 1/4] 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>

---
megaraid_sas.c | 7 +++++++
1 file changed, 7 insertions(+)

diff -rupN old/drivers/scsi/megaraid/megaraid_sas.c new/drivers/scsi/megaraid/megaraid_sas.c
--- old/drivers/scsi/megaraid/megaraid_sas.c 2009-12-04 05:25:19.000000000 -0500
+++ new/drivers/scsi/megaraid/megaraid_sas.c 2009-12-04 05:29:57.000000000 -0500
@@ -843,6 +843,7 @@ megasas_build_dcdb(struct megasas_instan
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_insta
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_ins
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;
@@ -2710,6 +2713,7 @@ megasas_get_seq_num(struct megasas_insta
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;
@@ -2824,6 +2828,7 @@ megasas_register_aen(struct megasas_inst
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;
@@ -3162,6 +3167,7 @@ static void megasas_flush_cache(struct m
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;
@@ -3201,6 +3207,7 @@ static void megasas_shutdown_controller(
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;


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