Replace the open-coded memset with memset_range helper to simplify
the code, there is no functional change in this patch.
Signed-off-by: Xiu Jianfeng <xiujianfeng@xxxxxxxxxx>
---
kernel/bpf/verifier.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/kernel/bpf/verifier.c b/kernel/bpf/verifier.c
index 7a20e12f2e45..317f259c0103 100644
--- a/kernel/bpf/verifier.c
+++ b/kernel/bpf/verifier.c
@@ -1099,9 +1099,8 @@ static void ___mark_reg_known(struct bpf_reg_state *reg, u64 imm)
*/
static void __mark_reg_known(struct bpf_reg_state *reg, u64 imm)
{
- /* Clear id, off, and union(map_ptr, range) */
- memset(((u8 *)reg) + sizeof(reg->type), 0,
- offsetof(struct bpf_reg_state, var_off) - sizeof(reg->type));
+ /* Clear off, union(map_ptr, range), id, and ref_obj_id */
+ memset_range(reg, 0, off, ref_obj_id);
___mark_reg_known(reg, imm);
}
--
2.17.1
