linux-kernel - [RFC PATCH] bpf: check_bpf_snprintf

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Date:   Thu, 11 Mar 2021 11:12:07 +0800
From:   kernel test robot <lkp@...el.com>
To:     Florent Revest <revest@...omium.org>, bpf@...r.kernel.org
Cc:     kbuild-all@...ts.01.org, ast@...nel.org, daniel@...earbox.net,
        andrii@...nel.org, yhs@...com, kpsingh@...nel.org,
        jackmanb@...omium.org, linux-kernel@...r.kernel.org,
        Florent Revest <revest@...omium.org>
Subject: [RFC PATCH] bpf: check_bpf_snprintf_call() can be static


Reported-by: kernel test robot <lkp@...el.com>
Signed-off-by: kernel test robot <lkp@...el.com>
---
 verifier.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/kernel/bpf/verifier.c b/kernel/bpf/verifier.c
index 3ab549df817b6..06c868989852d 100644
--- a/kernel/bpf/verifier.c
+++ b/kernel/bpf/verifier.c
@@ -5732,8 +5732,8 @@ static int check_reference_leak(struct bpf_verifier_env *env)
 	return state->acquired_refs ? -EINVAL : 0;
 }
 
-int check_bpf_snprintf_call(struct bpf_verifier_env *env,
-			    struct bpf_reg_state *regs)
+static int check_bpf_snprintf_call(struct bpf_verifier_env *env,
+				   struct bpf_reg_state *regs)
 {
 	struct bpf_reg_state *fmt_reg = &regs[BPF_REG_3];
 	struct bpf_reg_state *data_len_reg = &regs[BPF_REG_5];