diff options
Diffstat (limited to 'kernel/trace/trace_probe.c')
| -rw-r--r-- | kernel/trace/trace_probe.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/kernel/trace/trace_probe.c b/kernel/trace/trace_probe.c index 5cbdc423afeb..2f571083ce9e 100644 --- a/kernel/trace/trace_probe.c +++ b/kernel/trace/trace_probe.c @@ -156,7 +156,7 @@ fail: static struct trace_probe_log trace_probe_log; extern struct mutex dyn_event_ops_mutex; -void trace_probe_log_init(const char *subsystem, int argc, const char **argv) +const char *trace_probe_log_init(const char *subsystem, int argc, const char **argv) { lockdep_assert_held(&dyn_event_ops_mutex); @@ -164,6 +164,7 @@ void trace_probe_log_init(const char *subsystem, int argc, const char **argv) trace_probe_log.argc = argc; trace_probe_log.argv = argv; trace_probe_log.index = 0; + return subsystem; } void trace_probe_log_clear(void) @@ -214,7 +215,7 @@ void __trace_probe_log_err(int offset, int err_type) p = command; for (i = 0; i < trace_probe_log.argc; i++) { len = strlen(trace_probe_log.argv[i]); - strcpy(p, trace_probe_log.argv[i]); + memcpy(p, trace_probe_log.argv[i], len); p[len] = ' '; p += len + 1; } @@ -516,7 +517,7 @@ static void clear_btf_context(struct traceprobe_parse_context *ctx) } } -/* Return 1 if the field separater is arrow operator ('->') */ +/* Return 1 if the field separator is arrow operator ('->') */ static int split_next_field(char *varname, char **next_field, struct traceprobe_parse_context *ctx) { |