[PATCH 5.16 0172/1039] libbpf: Fix glob_syms memory leak in bpf_linker

[Greg Kroah-Hartman]

From: Andrii Nakryiko <andrii@xxxxxxxxxx>

[ Upstream commit 8cb125566c40b7141d8842c534f0ea5820ee3d5c ]

glob_syms array wasn't freed on bpf_link__free(). Fix that.

Fixes: a46349227cd8 ("libbpf: Add linker extern resolution support for functions and global variables")
Signed-off-by: Andrii Nakryiko <andrii@xxxxxxxxxx>
Signed-off-by: Daniel Borkmann <daniel@xxxxxxxxxxxxx>
Link: https://lore.kernel.org/bpf/20211124002325.1737739-6-andrii@xxxxxxxxxx
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
 tools/lib/bpf/linker.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tools/lib/bpf/linker.c b/tools/lib/bpf/linker.c
index f677dccdeae44..94bdd97859285 100644
--- a/tools/lib/bpf/linker.c
+++ b/tools/lib/bpf/linker.c
@@ -210,6 +210,7 @@ void bpf_linker__free(struct bpf_linker *linker)
 	}
 	free(linker->secs);
 
+	free(linker->glob_syms);
 	free(linker);
 }
 
-- 
2.34.1