[PATCH 5.16 0170/1039] tools/resolve_btf_ids: Close ELF file on error

From: Greg Kroah-Hartman
Date: Mon Jan 24 2022 - 18:33:40 EST


From: Andrii Nakryiko <andrii@xxxxxxxxxx>

[ Upstream commit 1144ab9bdf3430e1b5b3f22741e5283841951add ]

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

Fixes: fbbb68de80a4 ("bpf: Add resolve_btfids tool to resolve BTF IDs in ELF object")
Signed-off-by: Andrii Nakryiko <andrii@xxxxxxxxxx>
Signed-off-by: Daniel Borkmann <daniel@xxxxxxxxxxxxx>
Link: https://lore.kernel.org/bpf/20211124002325.1737739-2-andrii@xxxxxxxxxx
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
tools/bpf/resolve_btfids/main.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/tools/bpf/resolve_btfids/main.c b/tools/bpf/resolve_btfids/main.c
index 73409e27be01f..5d26f3c6f918e 100644
--- a/tools/bpf/resolve_btfids/main.c
+++ b/tools/bpf/resolve_btfids/main.c
@@ -168,7 +168,7 @@ 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;
@@ -732,7 +732,8 @@ int main(int argc, const char **argv)
if (obj.efile.idlist_shndx == -1 ||
obj.efile.symbols_shndx == -1) {
pr_debug("Cannot find .BTF_ids or symbols sections, nothing to do\n");
- return 0;
+ err = 0;
+ goto out;
}

if (symbols_collect(&obj))
--
2.34.1