The variable 'insn' is initialized to 'insn_buf' without being changed,
only some helper macros are defined, so the insn buffer comparison is
unnecessary, just remove it.
Signed-off-by: Haiyue Wang <haiyue.wang@xxxxxxxxx>
---
net/core/filter.c | 6 ------
1 file changed, 6 deletions(-)
diff --git a/net/core/filter.c b/net/core/filter.c
index ab811293ae5d..d9befa6ba04e 100644
--- a/net/core/filter.c
+++ b/net/core/filter.c
@@ -6847,9 +6847,6 @@ u32 bpf_tcp_sock_convert_ctx_access(enum bpf_access_type type,
FIELD)); \
} while (0)
- if (insn > insn_buf)
- return insn - insn_buf;
-
switch (si->off) {
case offsetof(struct bpf_tcp_sock, rtt_min):
BUILD_BUG_ON(sizeof_field(struct tcp_sock, rtt_min) !=
@@ -10147,9 +10144,6 @@ static u32 sock_ops_convert_ctx_access(enum bpf_access_type type,
SOCK_OPS_GET_FIELD(BPF_FIELD, OBJ_FIELD, OBJ); \
} while (0)
- if (insn > insn_buf)
- return insn - insn_buf;
-
switch (si->off) {
case offsetof(struct bpf_sock_ops, op):
*insn++ = BPF_LDX_MEM(BPF_FIELD_SIZEOF(struct bpf_sock_ops_kern,
--
2.39.0
