diff options
Diffstat (limited to 'kernel/trace/trace_seq.c')
| -rw-r--r-- | kernel/trace/trace_seq.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/kernel/trace/trace_seq.c b/kernel/trace/trace_seq.c index bac06ee3b9..7be97229dd 100644 --- a/kernel/trace/trace_seq.c +++ b/kernel/trace/trace_seq.c @@ -370,8 +370,12 @@ EXPORT_SYMBOL_GPL(trace_seq_path); */ int trace_seq_to_user(struct trace_seq *s, char __user *ubuf, int cnt) { + int ret; __trace_seq_init(s); - return seq_buf_to_user(&s->seq, ubuf, cnt); + ret = seq_buf_to_user(&s->seq, ubuf, s->readpos, cnt); + if (ret > 0) + s->readpos += ret; + return ret; } EXPORT_SYMBOL_GPL(trace_seq_to_user); |