bpf: Remove redundant assignment of variable id

The variable id is being assigned a value that is never read, the
assignment is redundant and can be removed.

Addresses-Coverity: ("Unused value")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Song Liu <songliubraving@fb.com>
Link: https://lore.kernel.org/bpf/20210326194348.623782-1-colin.king@canonical.com

diff --git a/kernel/bpf/btf.c b/kernel/bpf/btf.c
index ec8afc4..0600ed3 100644 (file)
--- a/kernel/bpf/btf.c
+++ b/kernel/bpf/btf.c
@@ -789,7 +789,6 @@ static const struct btf_type *btf_type_skip_qualifiers(const struct btf *btf,
 
        while (btf_type_is_modifier(t) &&
               BTF_INFO_KIND(t->info) != BTF_KIND_TYPEDEF) {
-               id = t->type;
                t = btf_type_by_id(btf, t->type);
        }