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authorNaresh Kumar Inna <naresh@chelsio.com>2012-11-20 13:45:40 +0100
committerJames Bottomley <JBottomley@Parallels.com>2012-11-30 16:32:10 +0100
commit5036f0a0ecd31fc94360a944b352d082e1182b04 (patch)
tree98d5b957f1cd88b70b4965cf7dc16dc7862d0e42 /drivers/scsi/csiostor/csio_lnode.c
parent[SCSI] qla2xxx: Display that driver is operating in legacy interrupt mode. (diff)
downloadlinux-5036f0a0ecd31fc94360a944b352d082e1182b04.tar.xz
linux-5036f0a0ecd31fc94360a944b352d082e1182b04.zip
[SCSI] csiostor: Fix sparse warnings.
This patch fixes sparse warnings related to endian-ness, which were reported by the 0-day kernel build and testing tool. Reported-by: Fengguang Wu <fengguang.wu@intel.com> Signed-off-by: Naresh Kumar Inna <naresh@chelsio.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Diffstat (limited to 'drivers/scsi/csiostor/csio_lnode.c')
-rw-r--r--drivers/scsi/csiostor/csio_lnode.c91
1 files changed, 47 insertions, 44 deletions
diff --git a/drivers/scsi/csiostor/csio_lnode.c b/drivers/scsi/csiostor/csio_lnode.c
index 551959e7324a..5322c81cc702 100644
--- a/drivers/scsi/csiostor/csio_lnode.c
+++ b/drivers/scsi/csiostor/csio_lnode.c
@@ -214,7 +214,7 @@ csio_fill_ct_iu(void *buf, uint8_t type, uint8_t sub_type, uint16_t op)
cmd->ct_rev = FC_CT_REV;
cmd->ct_fs_type = type;
cmd->ct_fs_subtype = sub_type;
- cmd->ct_cmd = op;
+ cmd->ct_cmd = htons(op);
}
static int
@@ -285,11 +285,13 @@ csio_ln_fdmi_rhba_cbfn(struct csio_hw *hw, struct csio_ioreq *fdmi_req)
void *cmd;
uint8_t *pld;
uint32_t len = 0;
+ __be32 val;
+ __be16 mfs;
+ uint32_t numattrs = 0;
struct csio_lnode *ln = fdmi_req->lnode;
struct fs_fdmi_attrs *attrib_blk;
struct fc_fdmi_port_name *port_name;
uint8_t buf[64];
- uint32_t val;
uint8_t *fc4_type;
if (fdmi_req->wr_status != FW_SUCCESS) {
@@ -311,7 +313,7 @@ csio_ln_fdmi_rhba_cbfn(struct csio_hw *hw, struct csio_ioreq *fdmi_req)
/* Prepare CT hdr for RPA cmd */
memset(cmd, 0, FC_CT_HDR_LEN);
- csio_fill_ct_iu(cmd, FC_FST_MGMT, FC_FDMI_SUBTYPE, htons(FC_FDMI_RPA));
+ csio_fill_ct_iu(cmd, FC_FST_MGMT, FC_FDMI_SUBTYPE, FC_FDMI_RPA);
/* Prepare RPA payload */
pld = (uint8_t *)csio_ct_get_pld(cmd);
@@ -331,12 +333,12 @@ csio_ln_fdmi_rhba_cbfn(struct csio_hw *hw, struct csio_ioreq *fdmi_req)
fc4_type[7] = 1;
csio_append_attrib(&pld, FC_FDMI_PORT_ATTR_FC4TYPES,
fc4_type, FC_FDMI_PORT_ATTR_FC4TYPES_LEN);
- attrib_blk->numattrs++;
+ numattrs++;
val = htonl(FC_PORTSPEED_1GBIT | FC_PORTSPEED_10GBIT);
csio_append_attrib(&pld, FC_FDMI_PORT_ATTR_SUPPORTEDSPEED,
(uint8_t *)&val,
FC_FDMI_PORT_ATTR_SUPPORTEDSPEED_LEN);
- attrib_blk->numattrs++;
+ numattrs++;
if (hw->pport[ln->portid].link_speed == FW_PORT_CAP_SPEED_1G)
val = htonl(FC_PORTSPEED_1GBIT);
@@ -347,24 +349,24 @@ csio_ln_fdmi_rhba_cbfn(struct csio_hw *hw, struct csio_ioreq *fdmi_req)
csio_append_attrib(&pld, FC_FDMI_PORT_ATTR_CURRENTPORTSPEED,
(uint8_t *)&val,
FC_FDMI_PORT_ATTR_CURRENTPORTSPEED_LEN);
- attrib_blk->numattrs++;
+ numattrs++;
- val = htonl(ln->ln_sparm.csp.sp_bb_data);
+ mfs = ln->ln_sparm.csp.sp_bb_data;
csio_append_attrib(&pld, FC_FDMI_PORT_ATTR_MAXFRAMESIZE,
- (uint8_t *)&val, FC_FDMI_PORT_ATTR_MAXFRAMESIZE_LEN);
- attrib_blk->numattrs++;
+ (uint8_t *)&mfs, FC_FDMI_PORT_ATTR_MAXFRAMESIZE_LEN);
+ numattrs++;
strcpy(buf, "csiostor");
csio_append_attrib(&pld, FC_FDMI_PORT_ATTR_OSDEVICENAME, buf,
(uint16_t)strlen(buf));
- attrib_blk->numattrs++;
+ numattrs++;
if (!csio_hostname(buf, sizeof(buf))) {
csio_append_attrib(&pld, FC_FDMI_PORT_ATTR_HOSTNAME,
buf, (uint16_t)strlen(buf));
- attrib_blk->numattrs++;
+ numattrs++;
}
- attrib_blk->numattrs = ntohl(attrib_blk->numattrs);
+ attrib_blk->numattrs = htonl(numattrs);
len = (uint32_t)(pld - (uint8_t *)cmd);
/* Submit FDMI RPA request */
@@ -388,7 +390,8 @@ csio_ln_fdmi_dprt_cbfn(struct csio_hw *hw, struct csio_ioreq *fdmi_req)
void *cmd;
uint8_t *pld;
uint32_t len = 0;
- uint32_t maxpayload = htonl(65536);
+ uint32_t numattrs = 0;
+ __be32 maxpayload = htonl(65536);
struct fc_fdmi_hba_identifier *hbaid;
struct csio_lnode *ln = fdmi_req->lnode;
struct fc_fdmi_rpl *reg_pl;
@@ -413,7 +416,7 @@ csio_ln_fdmi_dprt_cbfn(struct csio_hw *hw, struct csio_ioreq *fdmi_req)
/* Prepare CT hdr for RHBA cmd */
memset(cmd, 0, FC_CT_HDR_LEN);
- csio_fill_ct_iu(cmd, FC_FST_MGMT, FC_FDMI_SUBTYPE, htons(FC_FDMI_RHBA));
+ csio_fill_ct_iu(cmd, FC_FST_MGMT, FC_FDMI_SUBTYPE, FC_FDMI_RHBA);
len = FC_CT_HDR_LEN;
/* Prepare RHBA payload */
@@ -424,7 +427,7 @@ csio_ln_fdmi_dprt_cbfn(struct csio_hw *hw, struct csio_ioreq *fdmi_req)
/* Register one port per hba */
reg_pl = (struct fc_fdmi_rpl *)pld;
- reg_pl->numport = ntohl(1);
+ reg_pl->numport = htonl(1);
memcpy(&reg_pl->port[0].portname, csio_ln_wwpn(ln), 8);
pld += sizeof(*reg_pl);
@@ -436,42 +439,42 @@ csio_ln_fdmi_dprt_cbfn(struct csio_hw *hw, struct csio_ioreq *fdmi_req)
csio_append_attrib(&pld, FC_FDMI_HBA_ATTR_NODENAME, csio_ln_wwnn(ln),
FC_FDMI_HBA_ATTR_NODENAME_LEN);
- attrib_blk->numattrs++;
+ numattrs++;
memset(buf, 0, sizeof(buf));
strcpy(buf, "Chelsio Communications");
csio_append_attrib(&pld, FC_FDMI_HBA_ATTR_MANUFACTURER, buf,
(uint16_t)strlen(buf));
- attrib_blk->numattrs++;
+ numattrs++;
csio_append_attrib(&pld, FC_FDMI_HBA_ATTR_SERIALNUMBER,
hw->vpd.sn, (uint16_t)sizeof(hw->vpd.sn));
- attrib_blk->numattrs++;
+ numattrs++;
csio_append_attrib(&pld, FC_FDMI_HBA_ATTR_MODEL, hw->vpd.id,
(uint16_t)sizeof(hw->vpd.id));
- attrib_blk->numattrs++;
+ numattrs++;
csio_append_attrib(&pld, FC_FDMI_HBA_ATTR_MODELDESCRIPTION,
hw->model_desc, (uint16_t)strlen(hw->model_desc));
- attrib_blk->numattrs++;
+ numattrs++;
csio_append_attrib(&pld, FC_FDMI_HBA_ATTR_HARDWAREVERSION,
hw->hw_ver, (uint16_t)sizeof(hw->hw_ver));
- attrib_blk->numattrs++;
+ numattrs++;
csio_append_attrib(&pld, FC_FDMI_HBA_ATTR_FIRMWAREVERSION,
hw->fwrev_str, (uint16_t)strlen(hw->fwrev_str));
- attrib_blk->numattrs++;
+ numattrs++;
if (!csio_osname(buf, sizeof(buf))) {
csio_append_attrib(&pld, FC_FDMI_HBA_ATTR_OSNAMEVERSION,
buf, (uint16_t)strlen(buf));
- attrib_blk->numattrs++;
+ numattrs++;
}
csio_append_attrib(&pld, FC_FDMI_HBA_ATTR_MAXCTPAYLOAD,
(uint8_t *)&maxpayload,
FC_FDMI_HBA_ATTR_MAXCTPAYLOAD_LEN);
len = (uint32_t)(pld - (uint8_t *)cmd);
- attrib_blk->numattrs++;
- attrib_blk->numattrs = ntohl(attrib_blk->numattrs);
+ numattrs++;
+ attrib_blk->numattrs = htonl(numattrs);
/* Submit FDMI RHBA request */
spin_lock_irq(&hw->lock);
@@ -518,7 +521,7 @@ csio_ln_fdmi_dhba_cbfn(struct csio_hw *hw, struct csio_ioreq *fdmi_req)
/* Prepare FDMI DPRT cmd */
memset(cmd, 0, FC_CT_HDR_LEN);
- csio_fill_ct_iu(cmd, FC_FST_MGMT, FC_FDMI_SUBTYPE, htons(FC_FDMI_DPRT));
+ csio_fill_ct_iu(cmd, FC_FST_MGMT, FC_FDMI_SUBTYPE, FC_FDMI_DPRT);
len = FC_CT_HDR_LEN;
port_name = (struct fc_fdmi_port_name *)csio_ct_get_pld(cmd);
memcpy(&port_name->portname, csio_ln_wwpn(ln), 8);
@@ -567,7 +570,7 @@ csio_ln_fdmi_start(struct csio_lnode *ln, void *context)
/* Prepare FDMI DHBA cmd */
cmd = fdmi_req->dma_buf.vaddr;
memset(cmd, 0, FC_CT_HDR_LEN);
- csio_fill_ct_iu(cmd, FC_FST_MGMT, FC_FDMI_SUBTYPE, htons(FC_FDMI_DHBA));
+ csio_fill_ct_iu(cmd, FC_FST_MGMT, FC_FDMI_SUBTYPE, FC_FDMI_DHBA);
len = FC_CT_HDR_LEN;
hbaid = (struct fc_fdmi_hba_identifier *)csio_ct_get_pld(cmd);
@@ -599,6 +602,7 @@ csio_ln_vnp_read_cbfn(struct csio_hw *hw, struct csio_mb *mbp)
struct fc_els_csp *csp;
struct fc_els_cssp *clsp;
enum fw_retval retval;
+ __be32 nport_id;
retval = FW_CMD_RETVAL_GET(ntohl(rsp->alloc_to_len16));
if (retval != FW_SUCCESS) {
@@ -610,10 +614,9 @@ csio_ln_vnp_read_cbfn(struct csio_hw *hw, struct csio_mb *mbp)
spin_lock_irq(&hw->lock);
memcpy(ln->mac, rsp->vnport_mac, sizeof(ln->mac));
- memcpy(&ln->nport_id, &rsp->vnport_mac[3],
- sizeof(uint8_t)*3);
- ln->nport_id = ntohl(ln->nport_id);
- ln->nport_id = ln->nport_id>>8;
+ memcpy(&nport_id, &rsp->vnport_mac[3], sizeof(uint8_t)*3);
+ ln->nport_id = ntohl(nport_id);
+ ln->nport_id = ln->nport_id >> 8;
/* Update WWNs */
/*
@@ -628,18 +631,18 @@ csio_ln_vnp_read_cbfn(struct csio_hw *hw, struct csio_mb *mbp)
csp = (struct fc_els_csp *)rsp->cmn_srv_parms;
ln->ln_sparm.csp.sp_hi_ver = csp->sp_hi_ver;
ln->ln_sparm.csp.sp_lo_ver = csp->sp_lo_ver;
- ln->ln_sparm.csp.sp_bb_cred = ntohs(csp->sp_bb_cred);
- ln->ln_sparm.csp.sp_features = ntohs(csp->sp_features);
- ln->ln_sparm.csp.sp_bb_data = ntohs(csp->sp_bb_data);
- ln->ln_sparm.csp.sp_r_a_tov = ntohl(csp->sp_r_a_tov);
- ln->ln_sparm.csp.sp_e_d_tov = ntohl(csp->sp_e_d_tov);
+ ln->ln_sparm.csp.sp_bb_cred = csp->sp_bb_cred;
+ ln->ln_sparm.csp.sp_features = csp->sp_features;
+ ln->ln_sparm.csp.sp_bb_data = csp->sp_bb_data;
+ ln->ln_sparm.csp.sp_r_a_tov = csp->sp_r_a_tov;
+ ln->ln_sparm.csp.sp_e_d_tov = csp->sp_e_d_tov;
/* Copy word 0 & word 1 of class sparam */
clsp = (struct fc_els_cssp *)rsp->clsp_word_0_1;
- ln->ln_sparm.clsp[2].cp_class = ntohs(clsp->cp_class);
- ln->ln_sparm.clsp[2].cp_init = ntohs(clsp->cp_init);
- ln->ln_sparm.clsp[2].cp_recip = ntohs(clsp->cp_recip);
- ln->ln_sparm.clsp[2].cp_rdfs = ntohs(clsp->cp_rdfs);
+ ln->ln_sparm.clsp[2].cp_class = clsp->cp_class;
+ ln->ln_sparm.clsp[2].cp_init = clsp->cp_init;
+ ln->ln_sparm.clsp[2].cp_recip = clsp->cp_recip;
+ ln->ln_sparm.clsp[2].cp_rdfs = clsp->cp_rdfs;
spin_unlock_irq(&hw->lock);
@@ -1499,7 +1502,7 @@ csio_fcoe_fwevt_handler(struct csio_hw *hw, __u8 cpl_op, __be64 *cmd)
/* HW un lock here */
} else {
csio_warn(hw, "Unexpected FCOE LINK status:0x%x\n",
- ntohl(lcmd->lstatus));
+ lcmd->lstatus);
CSIO_INC_STATS(hw, n_cpl_unexp);
}
} else if (cpl_op == CPL_FW6_PLD) {
@@ -1663,7 +1666,7 @@ csio_ln_prep_ecwr(struct csio_ioreq *io_req, uint32_t wr_len,
uint32_t did, uint32_t flow_id, uint8_t *fw_wr)
{
struct fw_fcoe_els_ct_wr *wr;
- uint32_t port_id;
+ __be32 port_id;
wr = (struct fw_fcoe_els_ct_wr *)fw_wr;
wr->op_immdlen = cpu_to_be32(FW_WR_OP(FW_FCOE_ELS_CT_WR) |
@@ -1676,8 +1679,8 @@ csio_ln_prep_ecwr(struct csio_ioreq *io_req, uint32_t wr_len,
wr->ctl_pri = 0;
wr->cp_en_class = 0;
wr->cookie = io_req->fw_handle;
- wr->iqid = (uint16_t)cpu_to_be16(csio_q_physiqid(
- io_req->lnode->hwp, io_req->iq_idx));
+ wr->iqid = cpu_to_be16(csio_q_physiqid(
+ io_req->lnode->hwp, io_req->iq_idx));
wr->fl_to_sp = FW_FCOE_ELS_CT_WR_SP(1);
wr->tmo_val = (uint8_t) io_req->tmo;
port_id = htonl(sid);