diff options
| -rw-r--r-- | kernel/trace/trace.c | 3 | ||||
| -rw-r--r-- | kernel/trace/trace_events.c | 2 |
2 files changed, 5 insertions, 0 deletions
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c index cd3d91554aff..9007f5edbb20 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c @@ -3233,6 +3233,9 @@ int trace_array_printk(struct trace_array *tr, if (!(global_trace.trace_flags & TRACE_ITER_PRINTK)) return 0; + if (!tr) + return -ENOENT; + va_start(ap, fmt); ret = trace_array_vprintk(tr, ip, fmt, ap); va_end(ap); diff --git a/kernel/trace/trace_events.c b/kernel/trace/trace_events.c index ed9eb97b64b4..309b2b3c5349 100644 --- a/kernel/trace/trace_events.c +++ b/kernel/trace/trace_events.c @@ -793,6 +793,8 @@ int ftrace_set_clr_event(struct trace_array *tr, char *buf, int set) char *event = NULL, *sub = NULL, *match; int ret; + if (!tr) + return -ENOENT; /* * The buf format can be <subsystem>:<event-name> * *:<event-name> means any event by that name. |