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authorPeter Zijlstra <peterz@infradead.org>2021-10-07 00:40:17 +0200
committerPeter Zijlstra <peterz@infradead.org>2021-10-07 00:40:17 +0200
commitb08cadbd3b8721db738d9a00ef3ce3ed667e6d9c (patch)
tree1b44ef760764ea19f82fd80088135d23ab565d2d /tools/lib/bpf/linker.c
parentdb2b0c5d7b6f19b3c2cab08c531b65342eb5252b (diff)
parentfe255fe6ad97685e5a4be0d871f43288dbc10ad6 (diff)
Merge branch 'objtool/urgent'
Fixup conflicts. # Conflicts: # tools/objtool/check.c
Diffstat (limited to 'tools/lib/bpf/linker.c')
-rw-r--r--tools/lib/bpf/linker.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/tools/lib/bpf/linker.c b/tools/lib/bpf/linker.c
index 10911a8cad0f..2df880cefdae 100644
--- a/tools/lib/bpf/linker.c
+++ b/tools/lib/bpf/linker.c
@@ -1649,11 +1649,17 @@ static bool btf_is_non_static(const struct btf_type *t)
static int find_glob_sym_btf(struct src_obj *obj, Elf64_Sym *sym, const char *sym_name,
int *out_btf_sec_id, int *out_btf_id)
{
- int i, j, n = btf__get_nr_types(obj->btf), m, btf_id = 0;
+ int i, j, n, m, btf_id = 0;
const struct btf_type *t;
const struct btf_var_secinfo *vi;
const char *name;
+ if (!obj->btf) {
+ pr_warn("failed to find BTF info for object '%s'\n", obj->filename);
+ return -EINVAL;
+ }
+
+ n = btf__get_nr_types(obj->btf);
for (i = 1; i <= n; i++) {
t = btf__type_by_id(obj->btf, i);