diff options
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/trace/trace.c | 13 | ||||
| -rw-r--r-- | kernel/trace/trace_branch.c | 3 | ||||
| -rw-r--r-- | kernel/trace/trace_output.c | 13 |
3 files changed, 16 insertions, 13 deletions
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c index fd51cf0b94c7..a5e4c0af9bb0 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c @@ -1412,7 +1412,7 @@ static enum print_line_t print_lat_fmt(struct trace_iterator *iter) goto partial; } - if (event && event->latency_trace) + if (event) return event->latency_trace(iter, sym_flags); if (!trace_seq_printf(s, "Unknown type %d\n", entry->type)) @@ -1441,7 +1441,7 @@ static enum print_line_t print_trace_fmt(struct trace_iterator *iter) goto partial; } - if (event && event->trace) + if (event) return event->trace(iter, sym_flags); if (!trace_seq_printf(s, "Unknown type %d\n", entry->type)) @@ -1467,7 +1467,7 @@ static enum print_line_t print_raw_fmt(struct trace_iterator *iter) } event = ftrace_find_event(entry->type); - if (event && event->raw) + if (event) return event->raw(iter, 0); if (!trace_seq_printf(s, "%d ?\n", entry->type)) @@ -1494,7 +1494,7 @@ static enum print_line_t print_hex_fmt(struct trace_iterator *iter) } event = ftrace_find_event(entry->type); - if (event && event->hex) { + if (event) { enum print_line_t ret = event->hex(iter, 0); if (ret != TRACE_TYPE_HANDLED) return ret; @@ -1536,10 +1536,7 @@ static enum print_line_t print_bin_fmt(struct trace_iterator *iter) } event = ftrace_find_event(entry->type); - if (event && event->binary) - return event->binary(iter, 0); - - return TRACE_TYPE_HANDLED; + return event ? event->binary(iter, 0) : TRACE_TYPE_HANDLED; } static int trace_empty(struct trace_iterator *iter) diff --git a/kernel/trace/trace_branch.c b/kernel/trace/trace_branch.c index 7ac72a44b2d3..297deb202b68 100644 --- a/kernel/trace/trace_branch.c +++ b/kernel/trace/trace_branch.c @@ -182,9 +182,6 @@ static struct trace_event trace_branch_event = { .type = TRACE_BRANCH, .trace = trace_branch_print, .latency_trace = trace_branch_print, - .raw = trace_nop_print, - .hex = trace_nop_print, - .binary = trace_nop_print, }; static struct tracer branch_trace __read_mostly = diff --git a/kernel/trace/trace_output.c b/kernel/trace/trace_output.c index b7380eee9fa1..b6e99af79214 100644 --- a/kernel/trace/trace_output.c +++ b/kernel/trace/trace_output.c @@ -435,6 +435,17 @@ int register_ftrace_event(struct trace_event *event) if (ftrace_find_event(event->type)) goto out; + if (event->trace == NULL) + event->trace = trace_nop_print; + if (event->latency_trace == NULL) + event->latency_trace = trace_nop_print; + if (event->raw == NULL) + event->raw = trace_nop_print; + if (event->hex == NULL) + event->hex = trace_nop_print; + if (event->binary == NULL) + event->binary = trace_nop_print; + key = event->type & (EVENT_HASHSIZE - 1); hlist_add_head_rcu(&event->node, &event_hash[key]); @@ -874,8 +885,6 @@ static struct trace_event trace_print_event = { .trace = trace_print_print, .latency_trace = trace_print_print, .raw = trace_print_raw, - .hex = trace_nop_print, - .binary = trace_nop_print, }; static struct trace_event *events[] __initdata = { |