[PATCH] netfilter: nf_tables: Release memory obtained by kasprintf

From	Arvind Yadav <arvind.yadav.cs@gmail.com>
Newsgroups	linux.kernel
Subject	[PATCH] netfilter: nf_tables: Release memory obtained by kasprintf
Date	2017-09-20 09:10 +0200
Message-ID	<urHiY-8bg-71@gated-at.bofh.it> (permalink)
Organization	linux.* mail to news gateway

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Free memory region, if nf_tables_set_alloc_name is not successful.

Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
---
 net/netfilter/nf_tables_api.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c
index 9299271..393e37e 100644
--- a/net/netfilter/nf_tables_api.c
+++ b/net/netfilter/nf_tables_api.c
@@ -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;
 }
-- 
1.9.1

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[PATCH] netfilter: nf_tables: Release memory obtained by kasprintf Arvind Yadav <arvind.yadav.cs@gmail.com> - 2017-09-20 09:10 +0200

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