diff options
Diffstat (limited to 'kernel/trace/trace.c')
| -rw-r--r-- | kernel/trace/trace.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c index 1ce5dc6372b8..cda81ec58d9f 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c | |||
| @@ -2380,7 +2380,7 @@ static const char readme_msg[] = | |||
| 2380 | "# echo print-parent > /debug/tracing/trace_options\n" | 2380 | "# echo print-parent > /debug/tracing/trace_options\n" |
| 2381 | "# echo 1 > /debug/tracing/tracing_enabled\n" | 2381 | "# echo 1 > /debug/tracing/tracing_enabled\n" |
| 2382 | "# cat /debug/tracing/trace > /tmp/trace.txt\n" | 2382 | "# cat /debug/tracing/trace > /tmp/trace.txt\n" |
| 2383 | "echo 0 > /debug/tracing/tracing_enabled\n" | 2383 | "# echo 0 > /debug/tracing/tracing_enabled\n" |
| 2384 | ; | 2384 | ; |
| 2385 | 2385 | ||
| 2386 | static ssize_t | 2386 | static ssize_t |
| @@ -3448,6 +3448,7 @@ tracing_buffers_splice_read(struct file *file, loff_t *ppos, | |||
| 3448 | if (!ref) | 3448 | if (!ref) |
| 3449 | break; | 3449 | break; |
| 3450 | 3450 | ||
| 3451 | ref->ref = 1; | ||
| 3451 | ref->buffer = info->tr->buffer; | 3452 | ref->buffer = info->tr->buffer; |
| 3452 | ref->page = ring_buffer_alloc_read_page(ref->buffer); | 3453 | ref->page = ring_buffer_alloc_read_page(ref->buffer); |
| 3453 | if (!ref->page) { | 3454 | if (!ref->page) { |
