diff options
| author | Arnd Bergmann <[email protected]> | 2024-04-03 10:06:24 +0200 |
|---|---|---|
| committer | Steven Rostedt (Google) <[email protected]> | 2024-04-11 17:46:55 -0400 |
| commit | 5281ec83454d70d98b71f1836fb16512566c01cd (patch) | |
| tree | 6edd923664bd12e59b455af25bbe8d2b4978d2fa /kernel | |
| parent | d96c36004e31e2baaf8ea1b449b7d0b2c2bfb41a (diff) | |
tracing: hide unused ftrace_event_id_fops
When CONFIG_PERF_EVENTS, a 'make W=1' build produces a warning about the
unused ftrace_event_id_fops variable:
kernel/trace/trace_events.c:2155:37: error: 'ftrace_event_id_fops' defined but not used [-Werror=unused-const-variable=]
2155 | static const struct file_operations ftrace_event_id_fops = {
Hide this in the same #ifdef as the reference to it.
Link: https://lore.kernel.org/linux-trace-kernel/[email protected]
Cc: Masami Hiramatsu <[email protected]>
Cc: Oleg Nesterov <[email protected]>
Cc: Mathieu Desnoyers <[email protected]>
Cc: Zheng Yejian <[email protected]>
Cc: Kees Cook <[email protected]>
Cc: Ajay Kaher <[email protected]>
Cc: Jinjie Ruan <[email protected]>
Cc: Clément Léger <[email protected]>
Cc: Dan Carpenter <[email protected]>
Cc: "Tzvetomir Stoyanov (VMware)" <[email protected]>
Fixes: 620a30e97feb ("tracing: Don't pass file_operations array to event_create_dir()")
Signed-off-by: Arnd Bergmann <[email protected]>
Signed-off-by: Steven Rostedt (Google) <[email protected]>
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/trace/trace_events.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/kernel/trace/trace_events.c b/kernel/trace/trace_events.c index 7c364b87352e..52f75c36bbca 100644 --- a/kernel/trace/trace_events.c +++ b/kernel/trace/trace_events.c @@ -1670,6 +1670,7 @@ static int trace_format_open(struct inode *inode, struct file *file) return 0; } +#ifdef CONFIG_PERF_EVENTS static ssize_t event_id_read(struct file *filp, char __user *ubuf, size_t cnt, loff_t *ppos) { @@ -1684,6 +1685,7 @@ event_id_read(struct file *filp, char __user *ubuf, size_t cnt, loff_t *ppos) return simple_read_from_buffer(ubuf, cnt, ppos, buf, len); } +#endif static ssize_t event_filter_read(struct file *filp, char __user *ubuf, size_t cnt, @@ -2152,10 +2154,12 @@ static const struct file_operations ftrace_event_format_fops = { .release = seq_release, }; +#ifdef CONFIG_PERF_EVENTS static const struct file_operations ftrace_event_id_fops = { .read = event_id_read, .llseek = default_llseek, }; +#endif static const struct file_operations ftrace_event_filter_fops = { .open = tracing_open_file_tr, |