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-rw-r--r--kernel/trace/trace_output.c9
1 files changed, 1 insertions, 8 deletions
diff --git a/kernel/trace/trace_output.c b/kernel/trace/trace_output.c
index 54373d93e251..1d6178a188f4 100644
--- a/kernel/trace/trace_output.c
+++ b/kernel/trace/trace_output.c
@@ -1109,17 +1109,10 @@ static enum print_line_t trace_user_stack_print(struct trace_iterator *iter,
for (i = 0; i < FTRACE_STACK_ENTRIES; i++) {
unsigned long ip = field->caller[i];
- if (ip == ULONG_MAX || trace_seq_has_overflowed(s))
+ if (!ip || trace_seq_has_overflowed(s))
break;
trace_seq_puts(s, " => ");
-
- if (!ip) {
- trace_seq_puts(s, "??");
- trace_seq_putc(s, '\n');
- continue;
- }
-
seq_print_user_ip(s, mm, ip, flags);
trace_seq_putc(s, '\n');
}