netdev - [PATCH bpf-next] bpf: clean up bpf_prog_get_info_by

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Date:   Mon, 10 Dec 2018 11:17:50 -0800
From:   Song Liu <songliubraving@...com>
To:     <netdev@...r.kernel.org>
CC:     Song Liu <songliubraving@...com>, <ast@...nel.org>,
        <daniel@...earbox.net>, <kernel-team@...com>
Subject: [PATCH bpf-next] bpf: clean up bpf_prog_get_info_by_fd()

info.nr_jited_ksyms and info.nr_jited_func_lens cannot be 0 in these two
statements, so we don't need to check them.

Signed-off-by: Song Liu <songliubraving@...com>
---
 kernel/bpf/syscall.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/kernel/bpf/syscall.c b/kernel/bpf/syscall.c
index 19c88cff7880..a99a23bf5910 100644
--- a/kernel/bpf/syscall.c
+++ b/kernel/bpf/syscall.c
@@ -2209,7 +2209,7 @@ static int bpf_prog_get_info_by_fd(struct bpf_prog *prog,
 
 	ulen = info.nr_jited_ksyms;
 	info.nr_jited_ksyms = prog->aux->func_cnt ? : 1;
-	if (info.nr_jited_ksyms && ulen) {
+	if (ulen) {
 		if (bpf_dump_raw_ok()) {
 			unsigned long ksym_addr;
 			u64 __user *user_ksyms;
@@ -2240,7 +2240,7 @@ static int bpf_prog_get_info_by_fd(struct bpf_prog *prog,
 
 	ulen = info.nr_jited_func_lens;
 	info.nr_jited_func_lens = prog->aux->func_cnt ? : 1;
-	if (info.nr_jited_func_lens && ulen) {
+	if (ulen) {
 		if (bpf_dump_raw_ok()) {
 			u32 __user *user_lens;
 			u32 func_len, i;
-- 
2.17.1