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| author | Yuntao Wang <ytcoode@gmail.com> | 2022-01-09 19:22:32 +0300 |
|---|---|---|
| committer | Steven Rostedt <rostedt@goodmis.org> | 2022-01-14 01:02:42 +0300 |
| commit | 6e1b4bd1911d814077d77e2ac6529d74ee68c0f6 (patch) | |
| tree | bc7123efa9a3878e6aa9c94a5a46f2d64dc28d2b /kernel/trace/trace_events.c | |
| parent | dfea08a2116fe327f79d8f4d4b2cf6e0c88be11f (diff) | |
| download | linux-6e1b4bd1911d814077d77e2ac6529d74ee68c0f6.tar.xz | |
tracing: Remove duplicate warnings when calling trace_create_file()
Since the same warning message is already printed in the
trace_create_file() function, there is no need to print it again.
Link: https://lkml.kernel.org/r/20220109162232.361747-1-ytcoode@gmail.com
Signed-off-by: Yuntao Wang <ytcoode@gmail.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Diffstat (limited to 'kernel/trace/trace_events.c')
| -rw-r--r-- | kernel/trace/trace_events.c | 12 |
1 files changed, 3 insertions, 9 deletions
diff --git a/kernel/trace/trace_events.c b/kernel/trace/trace_events.c index 92be9cb1d7d4..3147614c1812 100644 --- a/kernel/trace/trace_events.c +++ b/kernel/trace/trace_events.c @@ -3461,10 +3461,8 @@ 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"); + if (!entry) return -ENOMEM; - } /* There are not as crucial, just warn if they are not created */ @@ -3480,17 +3478,13 @@ 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; |