tools/resolve_btf_ids: Close ELF file on error

[ Upstream commit 1144ab9 ]

Fix one case where we don't do explicit clean up.

Fixes: fbbb68d ("bpf: Add resolve_btfids tool to resolve BTF IDs in ELF object")
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/bpf/20211124002325.1737739-2-andrii@kernel.org
Signed-off-by: Sasha Levin <sashal@kernel.org>

tools/bpf/resolve_btfids/main.c

@@ -166,7 +166,7 @@ static struct btf_id *btf_id__find(struct rb_root *root, const char *name)
 	return NULL;
 }
 
-static struct btf_id*
+static struct btf_id *
 btf_id__add(struct rb_root *root, char *name, bool unique)
 {
 	struct rb_node **p = &root->rb_node;
@@ -720,7 +720,8 @@ int main(int argc, const char **argv)
 		if (no_fail)
 			return 0;
 		pr_err("FAILED to find needed sections\n");
-		return -1;
+		err = 0;
+		goto out;
 	}
 
 	if (symbols_collect(&obj))