1 files changed, 4 insertions, 2 deletions

diff --git a/kernel/trace/trace_output.c b/kernel/trace/trace_output.c
index 0d6ff3555942..3efd718984fb 100644
--- a/kernel/trace/trace_output.c
+++ b/kernel/trace/trace_output.c
@@ -300,7 +300,7 @@ ftrace_print_flags_seq(struct trace_seq *p, const char *delim,
         unsigned long mask;
         const char *str;
         const char *ret = p->buffer + p->len;
-        int i;
+        int i, first = 1;
 
         for (i = 0;  flag_array[i].name && flags; i++) {
 
@@ -310,8 +310,10 @@ ftrace_print_flags_seq(struct trace_seq *p, const char *delim,
 
                 str = flag_array[i].name;
                 flags &= ~mask;
-                if (p->len && delim)
+                if (!first && delim)
                         trace_seq_puts(p, delim);
+                else
+                        first = 0;
                 trace_seq_puts(p, str);
         }