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Diffstat (limited to 'net/ipv6/ip6_fib.c')
-rw-r--r--net/ipv6/ip6_fib.c18
1 files changed, 7 insertions, 11 deletions
diff --git a/net/ipv6/ip6_fib.c b/net/ipv6/ip6_fib.c
index 13690d650c3..24995a93ef8 100644
--- a/net/ipv6/ip6_fib.c
+++ b/net/ipv6/ip6_fib.c
@@ -514,7 +514,7 @@ static struct fib6_node * fib6_add_1(struct fib6_node *root, void *addr,
ln = node_alloc();
if (!ln)
- return NULL;
+ return ERR_PTR(-ENOMEM);
ln->fn_bit = plen;
ln->parent = pn;
@@ -561,7 +561,7 @@ insert_above:
node_free(in);
if (ln)
node_free(ln);
- return NULL;
+ return ERR_PTR(-ENOMEM);
}
/*
@@ -611,7 +611,7 @@ insert_above:
ln = node_alloc();
if (!ln)
- return NULL;
+ return ERR_PTR(-ENOMEM);
ln->fn_bit = plen;
@@ -777,11 +777,8 @@ int fib6_add(struct fib6_node *root, struct rt6_info *rt, struct nl_info *info)
if (IS_ERR(fn)) {
err = PTR_ERR(fn);
- fn = NULL;
- }
-
- if (!fn)
goto out;
+ }
pn = fn;
@@ -819,12 +816,13 @@ int fib6_add(struct fib6_node *root, struct rt6_info *rt, struct nl_info *info)
offsetof(struct rt6_info, rt6i_src),
allow_create, replace_required);
- if (!sn) {
+ if (IS_ERR(sn)) {
/* If it is failed, discard just allocated
root, and then (in st_failure) stale node
in main tree.
*/
node_free(sfn);
+ err = PTR_ERR(sn);
goto st_failure;
}
@@ -839,10 +837,8 @@ int fib6_add(struct fib6_node *root, struct rt6_info *rt, struct nl_info *info)
if (IS_ERR(sn)) {
err = PTR_ERR(sn);
- sn = NULL;
- }
- if (!sn)
goto st_failure;
+ }
}
if (!fn->leaf) {