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Subject[PATCH] trace: don't print an extra separator of flags
Date
From: Andrey Vagin <avagin@openvz.org>

It occurs if __print_flags is used more than once

Signed-off-by: Andrew Vagin <avagin@openvz.org>
---
kernel/trace/trace_output.c | 6 ++++--
1 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/kernel/trace/trace_output.c b/kernel/trace/trace_output.c
index 0d6ff35..3efd718 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);
}

--
1.7.1


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