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netfilter: nf_tables: Release memory obtained by kasprintf

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Free memory region, if nf_tables_set_alloc_name is not successful.

Fixes: 387454901bd6 ("netfilter: nf_tables: Allow set names of up to 255 chars")
Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
This commit is contained in:
Arvind Yadav 2017-09-20 12:31:28 +05:30 committed by Pablo Neira Ayuso
parent e6b72ee88a
commit e63aaaa6be
1 changed files with 3 additions and 1 deletions
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4
net/netfilter/nf_tables_api.c
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@ -2741,8 +2741,10 @@ static int nf_tables_set_alloc_name(struct nft_ctx *ctx, struct nft_set *set,
list_for_each_entry(i, &ctx->table->sets, list) {
if (!nft_is_active_next(ctx->net, i))
continue;
if (!strcmp(set->name, i->name))
if (!strcmp(set->name, i->name)) {
kfree(set->name);
return -ENFILE;
}
}
return 0;
}