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authorWolfram Sang <wsa+renesas@sang-engineering.com>2022-08-18 23:02:24 +0200
committerFlorian Westphal <fw@strlen.de>2022-09-07 16:46:03 +0200
commit8556bceb9c409946eebd2303d2f19e87844195ae (patch)
treefffbe2444da5c3c0c4003df303f4edab5597e3d0 /net/netfilter/x_tables.c
parenta0a4de4d897f5ce672e086cb6b9f91a306af6953 (diff)
downloadlinux-8556bceb9c409946eebd2303d2f19e87844195ae.tar.gz
netfilter: move from strlcpy with unused retval to strscpy
Follow the advice of the below link and prefer 'strscpy' in this subsystem. Conversion is 1:1 because the return value is not used. Generated by a coccinelle script. Link: https://lore.kernel.org/r/CAHk-=wgfRnXz0W3D37d01q3JFkr_i_uTL=V6A6G1oUZcprmknw@mail.gmail.com/ Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Reviewed-by: Simon Horman <horms@verge.net.au> Signed-off-by: Florian Westphal <fw@strlen.de>
Diffstat (limited to 'net/netfilter/x_tables.c')
-rw-r--r--net/netfilter/x_tables.c20
1 files changed, 10 insertions, 10 deletions
diff --git a/net/netfilter/x_tables.c b/net/netfilter/x_tables.c
index 54a489f16b1712..470282cf3fae61 100644
--- a/net/netfilter/x_tables.c
+++ b/net/netfilter/x_tables.c
@@ -766,7 +766,7 @@ void xt_compat_match_from_user(struct xt_entry_match *m, void **dstptr,
msize += off;
m->u.user.match_size = msize;
- strlcpy(name, match->name, sizeof(name));
+ strscpy(name, match->name, sizeof(name));
module_put(match->me);
strncpy(m->u.user.name, name, sizeof(m->u.user.name));
@@ -1146,7 +1146,7 @@ void xt_compat_target_from_user(struct xt_entry_target *t, void **dstptr,
tsize += off;
t->u.user.target_size = tsize;
- strlcpy(name, target->name, sizeof(name));
+ strscpy(name, target->name, sizeof(name));
module_put(target->me);
strncpy(t->u.user.name, name, sizeof(t->u.user.name));
@@ -1827,7 +1827,7 @@ int xt_proto_init(struct net *net, u_int8_t af)
root_uid = make_kuid(net->user_ns, 0);
root_gid = make_kgid(net->user_ns, 0);
- strlcpy(buf, xt_prefix[af], sizeof(buf));
+ strscpy(buf, xt_prefix[af], sizeof(buf));
strlcat(buf, FORMAT_TABLES, sizeof(buf));
proc = proc_create_net_data(buf, 0440, net->proc_net, &xt_table_seq_ops,
sizeof(struct seq_net_private),
@@ -1837,7 +1837,7 @@ int xt_proto_init(struct net *net, u_int8_t af)
if (uid_valid(root_uid) && gid_valid(root_gid))
proc_set_user(proc, root_uid, root_gid);
- strlcpy(buf, xt_prefix[af], sizeof(buf));
+ strscpy(buf, xt_prefix[af], sizeof(buf));
strlcat(buf, FORMAT_MATCHES, sizeof(buf));
proc = proc_create_seq_private(buf, 0440, net->proc_net,
&xt_match_seq_ops, sizeof(struct nf_mttg_trav),
@@ -1847,7 +1847,7 @@ int xt_proto_init(struct net *net, u_int8_t af)
if (uid_valid(root_uid) && gid_valid(root_gid))
proc_set_user(proc, root_uid, root_gid);
- strlcpy(buf, xt_prefix[af], sizeof(buf));
+ strscpy(buf, xt_prefix[af], sizeof(buf));
strlcat(buf, FORMAT_TARGETS, sizeof(buf));
proc = proc_create_seq_private(buf, 0440, net->proc_net,
&xt_target_seq_ops, sizeof(struct nf_mttg_trav),
@@ -1862,12 +1862,12 @@ int xt_proto_init(struct net *net, u_int8_t af)
#ifdef CONFIG_PROC_FS
out_remove_matches:
- strlcpy(buf, xt_prefix[af], sizeof(buf));
+ strscpy(buf, xt_prefix[af], sizeof(buf));
strlcat(buf, FORMAT_MATCHES, sizeof(buf));
remove_proc_entry(buf, net->proc_net);
out_remove_tables:
- strlcpy(buf, xt_prefix[af], sizeof(buf));
+ strscpy(buf, xt_prefix[af], sizeof(buf));
strlcat(buf, FORMAT_TABLES, sizeof(buf));
remove_proc_entry(buf, net->proc_net);
out:
@@ -1881,15 +1881,15 @@ void xt_proto_fini(struct net *net, u_int8_t af)
#ifdef CONFIG_PROC_FS
char buf[XT_FUNCTION_MAXNAMELEN];
- strlcpy(buf, xt_prefix[af], sizeof(buf));
+ strscpy(buf, xt_prefix[af], sizeof(buf));
strlcat(buf, FORMAT_TABLES, sizeof(buf));
remove_proc_entry(buf, net->proc_net);
- strlcpy(buf, xt_prefix[af], sizeof(buf));
+ strscpy(buf, xt_prefix[af], sizeof(buf));
strlcat(buf, FORMAT_TARGETS, sizeof(buf));
remove_proc_entry(buf, net->proc_net);
- strlcpy(buf, xt_prefix[af], sizeof(buf));
+ strscpy(buf, xt_prefix[af], sizeof(buf));
strlcat(buf, FORMAT_MATCHES, sizeof(buf));
remove_proc_entry(buf, net->proc_net);
#endif /*CONFIG_PROC_FS*/