[PATCH bpf-next 1/2] bpf, arm64: Simplify if logic in emit_lse_atomic()

From: Peilin Ye
Date: Fri Dec 27 2024 - 18:36:16 EST


Delete that unnecessary outer if clause. No functional changes.

Signed-off-by: Peilin Ye <yepeilin@xxxxxxxxxx>
---
arch/arm64/net/bpf_jit_comp.c | 18 ++++++++----------
1 file changed, 8 insertions(+), 10 deletions(-)

diff --git a/arch/arm64/net/bpf_jit_comp.c b/arch/arm64/net/bpf_jit_comp.c
index 66708b95493a..9040033eb1ea 100644
--- a/arch/arm64/net/bpf_jit_comp.c
+++ b/arch/arm64/net/bpf_jit_comp.c
@@ -648,16 +648,14 @@ static int emit_lse_atomic(const struct bpf_insn *insn, struct jit_ctx *ctx)
const s16 off = insn->off;
u8 reg = dst;

- if (off || arena) {
- if (off) {
- emit_a64_mov_i(1, tmp, off, ctx);
- emit(A64_ADD(1, tmp, tmp, dst), ctx);
- reg = tmp;
- }
- if (arena) {
- emit(A64_ADD(1, tmp, reg, arena_vm_base), ctx);
- reg = tmp;
- }
+ if (off) {
+ emit_a64_mov_i(1, tmp, off, ctx);
+ emit(A64_ADD(1, tmp, tmp, dst), ctx);
+ reg = tmp;
+ }
+ if (arena) {
+ emit(A64_ADD(1, tmp, reg, arena_vm_base), ctx);
+ reg = tmp;
}

switch (insn->imm) {
--
2.47.1.613.gc27f4b7a9f-goog