1 files changed, 0 insertions, 69 deletions

diff --git a/kernel/bpf/verifier.c b/kernel/bpf/verifier.c
index 3660b573048a..745ae0cd01d4 100644
--- a/kernel/bpf/verifier.c
+++ b/kernel/bpf/verifier.c
@@ -335,61 +335,6 @@ find_linfo(const struct bpf_verifier_env *env, u32 insn_off)
 	return &linfo[i - 1];
 }
 
-void bpf_verifier_vlog(struct bpf_verifier_log *log, const char *fmt,
-		       va_list args)
-{
-	unsigned int n;
-
-	n = vscnprintf(log->kbuf, BPF_VERIFIER_TMP_LOG_SIZE, fmt, args);
-
-	WARN_ONCE(n >= BPF_VERIFIER_TMP_LOG_SIZE - 1,
-		  "verifier log line truncated - local buffer too short\n");
-
-	if (log->level == BPF_LOG_KERNEL) {
-		bool newline = n > 0 && log->kbuf[n - 1] == '\n';
-
-		pr_err("BPF: %s%s", log->kbuf, newline ? "" : "\n");
-		return;
-	}
-
-	n = min(log->len_total - log->len_used - 1, n);
-	log->kbuf[n] = '\0';
-	if (!copy_to_user(log->ubuf + log->len_used, log->kbuf, n + 1))
-		log->len_used += n;
-	else
-		log->ubuf = NULL;
-}
-
-static void bpf_vlog_reset(struct bpf_verifier_log *log, u32 new_pos)
-{
-	char zero = 0;
-
-	if (!bpf_verifier_log_needed(log))
-		return;
-
-	log->len_used = new_pos;
-	if (put_user(zero, log->ubuf + new_pos))
-		log->ubuf = NULL;
-}
-
-/* log_level controls verbosity level of eBPF verifier.
- * bpf_verifier_log_write() is used to dump the verification trace to the log,
- * so the user can figure out what's wrong with the program
- */
-__printf(2, 3) void bpf_verifier_log_write(struct bpf_verifier_env *env,
-					   const char *fmt, ...)
-{
-	va_list args;
-
-	if (!bpf_verifier_log_needed(&env->log))
-		return;
-
-	va_start(args, fmt);
-	bpf_verifier_vlog(&env->log, fmt, args);
-	va_end(args);
-}
-EXPORT_SYMBOL_GPL(bpf_verifier_log_write);
-
 __printf(2, 3) static void verbose(void *private_data, const char *fmt, ...)
 {
 	struct bpf_verifier_env *env = private_data;
@@ -403,20 +348,6 @@ __printf(2, 3) static void verbose(void *private_data, const char *fmt, ...)
 	va_end(args);
 }
 
-__printf(2, 3) void bpf_log(struct bpf_verifier_log *log,
-			    const char *fmt, ...)
-{
-	va_list args;
-
-	if (!bpf_verifier_log_needed(log))
-		return;
-
-	va_start(args, fmt);
-	bpf_verifier_vlog(log, fmt, args);
-	va_end(args);
-}
-EXPORT_SYMBOL_GPL(bpf_log);
-
 static const char *ltrim(const char *s)
 {
 	while (isspace(*s))