Messages in this thread Patch in this message | | | From | Yuntao Wang <> | Subject | [PATCH] tracing: Remove duplicate warnings | Date | Sun, 9 Jan 2022 21:48:58 +0800 |
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Since the same warning message is already printed in the trace_create_file() function, there is no need to print it again.
Signed-off-by: Yuntao Wang <ytcoode@gmail.com> --- kernel/trace/trace_events.c | 9 ++------- 1 file changed, 2 insertions(+), 7 deletions(-)
diff --git a/kernel/trace/trace_events.c b/kernel/trace/trace_events.c index 92be9cb1d7d4..d7da46df16c5 100644 --- a/kernel/trace/trace_events.c +++ b/kernel/trace/trace_events.c @@ -3462,7 +3462,6 @@ create_event_toplevel_files(struct dentry *parent, struct trace_array *tr) entry = trace_create_file("enable", TRACE_MODE_WRITE, d_events, tr, &ftrace_tr_enable_fops); if (!entry) { - pr_warn("Could not create tracefs 'enable' entry\n"); return -ENOMEM; } @@ -3480,17 +3479,13 @@ create_event_toplevel_files(struct dentry *parent, struct trace_array *tr) pr_warn("Could not create tracefs 'set_event_notrace_pid' entry\n"); /* ring buffer internal formats */ - entry = trace_create_file("header_page", TRACE_MODE_READ, d_events, + trace_create_file("header_page", TRACE_MODE_READ, d_events, ring_buffer_print_page_header, &ftrace_show_header_fops); - if (!entry) - pr_warn("Could not create tracefs 'header_page' entry\n"); - entry = trace_create_file("header_event", TRACE_MODE_READ, d_events, + trace_create_file("header_event", TRACE_MODE_READ, d_events, ring_buffer_print_entry_header, &ftrace_show_header_fops); - if (!entry) - pr_warn("Could not create tracefs 'header_event' entry\n"); tr->event_dir = d_events; -- 2.34.1
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