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authorYuntao Wang2022-03-11 00:15:18 +0800
committerDaniel Borkmann2022-03-10 23:04:47 +0100
commit1b773d0003aa90e60953d263c2ee31e6fb4a8a69 (patch)
tree3a488b8ea06c0fe3365b2ce12cc84c04071762ac
parent58617014405ad5c9f94f464444f4972dabb71ca7 (diff)
bpf: Use offsetofend() to simplify macro definition
Use offsetofend() instead of offsetof() + sizeof() to simplify MIN_BPF_LINEINFO_SIZE macro definition. Signed-off-by: Yuntao Wang <ytcoode@gmail.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Yonghong Song <yhs@fb.com> Acked-by: Joanne Koong <joannelkoong@gmail.com> Link: https://lore.kernel.org/bpf/20220310161518.534544-1-ytcoode@gmail.com
-rw-r--r--kernel/bpf/verifier.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/kernel/bpf/verifier.c b/kernel/bpf/verifier.c
index e34264200e09..0db6cd8dcb35 100644
--- a/kernel/bpf/verifier.c
+++ b/kernel/bpf/verifier.c
@@ -10400,8 +10400,7 @@ static void adjust_btf_func(struct bpf_verifier_env *env)
aux->func_info[i].insn_off = env->subprog_info[i].start;
}
-#define MIN_BPF_LINEINFO_SIZE (offsetof(struct bpf_line_info, line_col) + \
- sizeof(((struct bpf_line_info *)(0))->line_col))
+#define MIN_BPF_LINEINFO_SIZE offsetofend(struct bpf_line_info, line_col)
#define MAX_LINEINFO_REC_SIZE MAX_FUNCINFO_REC_SIZE
static int check_btf_line(struct bpf_verifier_env *env,