TWxSoftware/twx-linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

bpf: Simplify assignment to struct bpf_insn pointer in do_misc_fixups()

Browse Source 
In verifier.c, the following code patterns (in two places)
  struct bpf_insn *patch = &insn_buf[0];
can be simplified to
  struct bpf_insn *patch = insn_buf;
which is easier to understand.

Acked-by: Eduard Zingerman <eddyz87@gmail.com>
Signed-off-by: Yonghong Song <yonghong.song@linux.dev>
Link: https://lore.kernel.org/r/20250703141106.1483216-1-yonghong.song@linux.dev
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
This commit is contained in:
Yonghong Song
2025-07-03 07:11:06 -07:00
committed by Alexei Starovoitov
parent 032547272e
commit 3b87251439
1 changed files with 2 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files
kernel/bpf/verifier.c
+2 -2
View File
@@ -22103,7 +22103,7 @@ static int do_misc_fixups(struct bpf_verifier_env *env)
if (BPF_CLASS(insn->code) == BPF_LDX &&
(BPF_MODE(insn->code) == BPF_PROBE_MEM ||
BPF_MODE(insn->code) == BPF_PROBE_MEMSX)) {
struct bpf_insn *patch = &insn_buf[0];
struct bpf_insn *patch = insn_buf;
u64 uaddress_limit = bpf_arch_uaddress_limit();
if (!uaddress_limit)
@@ -22154,7 +22154,7 @@ static int do_misc_fixups(struct bpf_verifier_env *env)
insn->code == (BPF_ALU64 | BPF_SUB | BPF_X)) {
const u8 code_add = BPF_ALU64 | BPF_ADD | BPF_X;
const u8 code_sub = BPF_ALU64 | BPF_SUB | BPF_X;
struct bpf_insn *patch = &insn_buf[0];
struct bpf_insn *patch = insn_buf;
bool issrc, isneg, isimm;
u32 off_reg;