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authorJulia Lawall <julia@diku.dk>2011-08-11 00:06:04 +0000
committerDavid S. Miller <davem@davemloft.net>2011-08-11 05:52:57 -0700
commit94a80d63b245c66745c1d72b8154f67b597e3b89 (patch)
treeea0e55809b0223d0d7c5ded4cf37c99bd3429f56 /net/netlabel
parent2eed7982d76f3a1627ba6536128a64b8e66ad189 (diff)
downloadlinux-stericsson-94a80d63b245c66745c1d72b8154f67b597e3b89.tar.gz
net/netlabel/netlabel_kapi.c: add missing cleanup code
Call cipso_v4_doi_putdef in the case of the failure of the allocation of entry. Reverse the order of the error handling code at the end of the function and insert more labels in order to reduce the number of unnecessary calls to kfree. Signed-off-by: Julia Lawall <julia@diku.dk> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/netlabel')
-rw-r--r--net/netlabel/netlabel_kapi.c20
1 files changed, 12 insertions, 8 deletions
diff --git a/net/netlabel/netlabel_kapi.c b/net/netlabel/netlabel_kapi.c
index 58107d060846..9c24de10a657 100644
--- a/net/netlabel/netlabel_kapi.c
+++ b/net/netlabel/netlabel_kapi.c
@@ -341,11 +341,11 @@ int netlbl_cfg_cipsov4_map_add(u32 doi,
entry = kzalloc(sizeof(*entry), GFP_ATOMIC);
if (entry == NULL)
- return -ENOMEM;
+ goto out_entry;
if (domain != NULL) {
entry->domain = kstrdup(domain, GFP_ATOMIC);
if (entry->domain == NULL)
- goto cfg_cipsov4_map_add_failure;
+ goto out_domain;
}
if (addr == NULL && mask == NULL) {
@@ -354,13 +354,13 @@ int netlbl_cfg_cipsov4_map_add(u32 doi,
} else if (addr != NULL && mask != NULL) {
addrmap = kzalloc(sizeof(*addrmap), GFP_ATOMIC);
if (addrmap == NULL)
- goto cfg_cipsov4_map_add_failure;
+ goto out_addrmap;
INIT_LIST_HEAD(&addrmap->list4);
INIT_LIST_HEAD(&addrmap->list6);
addrinfo = kzalloc(sizeof(*addrinfo), GFP_ATOMIC);
if (addrinfo == NULL)
- goto cfg_cipsov4_map_add_failure;
+ goto out_addrinfo;
addrinfo->type_def.cipsov4 = doi_def;
addrinfo->type = NETLBL_NLTYPE_CIPSOV4;
addrinfo->list.addr = addr->s_addr & mask->s_addr;
@@ -374,7 +374,7 @@ int netlbl_cfg_cipsov4_map_add(u32 doi,
entry->type = NETLBL_NLTYPE_ADDRSELECT;
} else {
ret_val = -EINVAL;
- goto cfg_cipsov4_map_add_failure;
+ goto out_addrmap;
}
ret_val = netlbl_domhsh_add(entry, audit_info);
@@ -384,11 +384,15 @@ int netlbl_cfg_cipsov4_map_add(u32 doi,
return 0;
cfg_cipsov4_map_add_failure:
- cipso_v4_doi_putdef(doi_def);
+ kfree(addrinfo);
+out_addrinfo:
+ kfree(addrmap);
+out_addrmap:
kfree(entry->domain);
+out_domain:
kfree(entry);
- kfree(addrmap);
- kfree(addrinfo);
+out_entry:
+ cipso_v4_doi_putdef(doi_def);
return ret_val;
}