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[SCSI] be2iscsi: fix memory leak in error path

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There are two memory leaks in cases 'ISCSI_NET_PARAM_VLAN_ID' and
'ISCSI_NET_PARAM_VLAN_PRIORITY' and also a potential junk pointer free if
mgmt_get_if_info() returns error because if_info will be unset and it is stack
allocated.

Signed-off-by: Geyslan G. Bem <geyslan@gmail.com>
Cc: Jayamohan Kallickal <jayamohan.kallickal@emulex.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
This commit is contained in:
Geyslan G. Bem 2013-11-18 16:42:57 -03:00 committed by James Bottomley
parent 6634ff7ca2
commit 0e7c60cb8c
1 changed files with 3 additions and 5 deletions
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8
drivers/scsi/be2iscsi/be_iscsi.c
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@ -541,10 +541,8 @@ static int be2iscsi_get_if_param(struct beiscsi_hba *phba,
ip_type = BE2_IPV6;
len = mgmt_get_if_info(phba, ip_type, &if_info);
if (len) {
kfree(if_info);
if (len)
return len;
}
switch (param) {
case ISCSI_NET_PARAM_IPV4_ADDR:
@ -569,7 +567,7 @@ static int be2iscsi_get_if_param(struct beiscsi_hba *phba,
break;
case ISCSI_NET_PARAM_VLAN_ID:
if (if_info->vlan_priority == BEISCSI_VLAN_DISABLE)
return -EINVAL;
len = -EINVAL;
else
len = sprintf(buf, "%d\n",
(if_info->vlan_priority &
@ -577,7 +575,7 @@ static int be2iscsi_get_if_param(struct beiscsi_hba *phba,
break;
case ISCSI_NET_PARAM_VLAN_PRIORITY:
if (if_info->vlan_priority == BEISCSI_VLAN_DISABLE)
return -EINVAL;
len = -EINVAL;
else
len = sprintf(buf, "%d\n",
((if_info->vlan_priority >> 13) &