From: Andrii Nakryiko <andrii@kernel.org>
Date: Fri, 1 Oct 2021 11:59:10 -0700
Subject: libbpf: Fix memory leak in strset
Patch-mainline: v5.15 or v5.15-rc5 (next release)
Git-commit: b0e875bac0fab3e7a7431c2eee36a8ccc0c712ac
References: git-fixes stable-5.14.12

Free struct strset itself, not just its internal parts.

Fixes: 90d76d3ececc ("libbpf: Extract internal set-of-strings datastructure APIs")
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Martin KaFai Lau <kafai@fb.com>
Link: https://lore.kernel.org/bpf/20211001185910.86492-1-andrii@kernel.org
Acked-by: Shung-Hsi Yu <shung-hsi.yu@suse.com>
---
 tools/lib/bpf/strset.c |    1 +
 1 file changed, 1 insertion(+)

--- a/tools/lib/bpf/strset.c
+++ b/tools/lib/bpf/strset.c
@@ -88,6 +88,7 @@ void strset__free(struct strset *set)
 
 	hashmap__free(set->strs_hash);
 	free(set->strs_data);
+	free(set);
 }
 
 size_t strset__data_size(const struct strset *set)