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[SCSI] be2iscsi: Fix Insufficient Buffer Error returned in MBX Completion

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When MBX_Cmd completion happens with error code Insufficient Buffer,
the MBX_Cmd is posted again with the new buffer size posted by FW.

Signed-off-by: John Soni Jose <sony.john-n@emulex.com>
Signed-off-by: Jayamohan Kallickal <jayamohan.kallickal@emulex.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
This commit is contained in:
Jayamohan Kallickal
2013-09-28 15:35:56 -07:00
committed by James Bottomley
parent afb9605844
commit 1f536d49cb
4 changed files with 99 additions and 43 deletions
Download Patch File Download Diff File Expand all files Collapse all files

37
drivers/scsi/be2iscsi/be_iscsi.c
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@@ -271,13 +271,17 @@ static int beiscsi_create_ipv6_iface(struct beiscsi_hba *phba)
void beiscsi_create_def_ifaces(struct beiscsi_hba *phba)
{
struct be_cmd_get_if_info_resp if_info;
struct be_cmd_get_if_info_resp *if_info;
if (!mgmt_get_if_info(phba, BE2_IPV4, &if_info))
if (!mgmt_get_if_info(phba, BE2_IPV4, &if_info)) {
beiscsi_create_ipv4_iface(phba);
kfree(if_info);
}
if (!mgmt_get_if_info(phba, BE2_IPV6, &if_info))
if (!mgmt_get_if_info(phba, BE2_IPV6, &if_info)) {
beiscsi_create_ipv6_iface(phba);
kfree(if_info);
}
}
void beiscsi_destroy_def_ifaces(struct beiscsi_hba *phba)
@@ -518,59 +522,60 @@ static int be2iscsi_get_if_param(struct beiscsi_hba *phba,
struct iscsi_iface *iface, int param,
char *buf)
{
struct be_cmd_get_if_info_resp if_info;
struct be_cmd_get_if_info_resp *if_info;
int len, ip_type = BE2_IPV4;
memset(&if_info, 0, sizeof(if_info));
if (iface->iface_type == ISCSI_IFACE_TYPE_IPV6)
ip_type = BE2_IPV6;
len = mgmt_get_if_info(phba, ip_type, &if_info);
if (len)
if (len) {
kfree(if_info);
return len;
}
switch (param) {
case ISCSI_NET_PARAM_IPV4_ADDR:
len = sprintf(buf, "%pI4\n", &if_info.ip_addr.addr);
len = sprintf(buf, "%pI4\n", if_info->ip_addr.addr);
break;
case ISCSI_NET_PARAM_IPV6_ADDR:
len = sprintf(buf, "%pI6\n", &if_info.ip_addr.addr);
len = sprintf(buf, "%pI6\n", if_info->ip_addr.addr);
break;
case ISCSI_NET_PARAM_IPV4_BOOTPROTO:
if (!if_info.dhcp_state)
if (!if_info->dhcp_state)
len = sprintf(buf, "static\n");
else
len = sprintf(buf, "dhcp\n");
break;
case ISCSI_NET_PARAM_IPV4_SUBNET:
len = sprintf(buf, "%pI4\n", &if_info.ip_addr.subnet_mask);
len = sprintf(buf, "%pI4\n", if_info->ip_addr.subnet_mask);
break;
case ISCSI_NET_PARAM_VLAN_ENABLED:
len = sprintf(buf, "%s\n",
(if_info.vlan_priority == BEISCSI_VLAN_DISABLE)
(if_info->vlan_priority == BEISCSI_VLAN_DISABLE)
? "Disabled\n" : "Enabled\n");
break;
case ISCSI_NET_PARAM_VLAN_ID:
if (if_info.vlan_priority == BEISCSI_VLAN_DISABLE)
if (if_info->vlan_priority == BEISCSI_VLAN_DISABLE)
return -EINVAL;
else
len = sprintf(buf, "%d\n",
(if_info.vlan_priority &
(if_info->vlan_priority &
ISCSI_MAX_VLAN_ID));
break;
case ISCSI_NET_PARAM_VLAN_PRIORITY:
if (if_info.vlan_priority == BEISCSI_VLAN_DISABLE)
if (if_info->vlan_priority == BEISCSI_VLAN_DISABLE)
return -EINVAL;
else
len = sprintf(buf, "%d\n",
((if_info.vlan_priority >> 13) &
((if_info->vlan_priority >> 13) &
ISCSI_MAX_VLAN_PRIORITY));
break;
default:
WARN_ON(1);
}
kfree(if_info);
return len;
}