diff options
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/auditfilter.c | 3 | ||||
| -rw-r--r-- | kernel/range.c | 8 | ||||
| -rw-r--r-- | kernel/trace/ring_buffer.c | 3 | ||||
| -rw-r--r-- | kernel/trace/trace.c | 9 | ||||
| -rw-r--r-- | kernel/trace/trace_events.c | 4 |
5 files changed, 18 insertions, 9 deletions
diff --git a/kernel/auditfilter.c b/kernel/auditfilter.c index 83a2970295d1..6bd4a90d1991 100644 --- a/kernel/auditfilter.c +++ b/kernel/auditfilter.c @@ -1021,9 +1021,6 @@ static void audit_log_rule_change(char *action, struct audit_krule *rule, int re * @seq: netlink audit message sequence (serial) number * @data: payload data * @datasz: size of payload data - * @loginuid: loginuid of sender - * @sessionid: sessionid for netlink audit message - * @sid: SE Linux Security ID of sender */ int audit_receive_filter(int type, int pid, int seq, void *data, size_t datasz) { diff --git a/kernel/range.c b/kernel/range.c index 071b0ab455cb..eb911dbce267 100644 --- a/kernel/range.c +++ b/kernel/range.c @@ -48,9 +48,11 @@ int add_range_with_merge(struct range *range, int az, int nr_range, final_start = min(range[i].start, start); final_end = max(range[i].end, end); - range[i].start = final_start; - range[i].end = final_end; - return nr_range; + /* clear it and add it back for further merge */ + range[i].start = 0; + range[i].end = 0; + return add_range_with_merge(range, az, nr_range, + final_start, final_end); } /* Need to add it: */ diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c index b59aea2c48c2..e444ff88f0a4 100644 --- a/kernel/trace/ring_buffer.c +++ b/kernel/trace/ring_buffer.c @@ -620,6 +620,9 @@ int ring_buffer_poll_wait(struct ring_buffer *buffer, int cpu, if (cpu == RING_BUFFER_ALL_CPUS) work = &buffer->irq_work; else { + if (!cpumask_test_cpu(cpu, buffer->cpumask)) + return -EINVAL; + cpu_buffer = buffer->buffers[cpu]; work = &cpu_buffer->irq_work; } diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c index ae6fa2d1cdf7..4d79485b3237 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c @@ -6216,10 +6216,15 @@ __init static int tracer_alloc_buffers(void) trace_init_cmdlines(); - register_tracer(&nop_trace); - + /* + * register_tracer() might reference current_trace, so it + * needs to be set before we register anything. This is + * just a bootstrap of current_trace anyway. + */ global_trace.current_trace = &nop_trace; + register_tracer(&nop_trace); + /* All seems OK, enable tracing */ tracing_disabled = 0; diff --git a/kernel/trace/trace_events.c b/kernel/trace/trace_events.c index 7a0cf68027cc..27963e2bf4bf 100644 --- a/kernel/trace/trace_events.c +++ b/kernel/trace/trace_events.c @@ -2072,8 +2072,10 @@ event_enable_func(struct ftrace_hash *hash, out_reg: /* Don't let event modules unload while probe registered */ ret = try_module_get(file->event_call->mod); - if (!ret) + if (!ret) { + ret = -EBUSY; goto out_free; + } ret = __ftrace_event_enable_disable(file, 1, 1); if (ret < 0) |