Commit-ID: f3f3f0092477d0165f3f1bf0fd518550b2abd097
Gitweb: http://git.kernel.org/tip/f3f3f0092477d0165f3f1bf0fd518550b2abd097
Author: Frederic Weisbecker <fweisbec@xxxxxxxxx>
AuthorDate: Thu, 24 Sep 2009 15:27:41 +0200
Committer: Frederic Weisbecker <fweisbec@xxxxxxxxx>
CommitDate: Thu, 24 Sep 2009 15:27:41 +0200
tracing/event: Cleanup the useless dentry variable
Cleanup the useless dentry variable while creating a kernel
event set of files. trace_create_file() warns if it fails to
create the file anyway, and we don't store the dentry anywhere.
v2: Fix a small conflict in kernel/trace/trace_events.c
Signed-off-by: Frederic Weisbecker <fweisbec@xxxxxxxxx>
Cc: Steven Rostedt <rostedt@xxxxxxxxxxx>
Cc: Li Zefan <lizf@xxxxxxxxxxxxxx>
---
kernel/trace/trace_events.c | 23 +++++++++++------------
1 files changed, 11 insertions(+), 12 deletions(-)
diff --git a/kernel/trace/trace_events.c b/kernel/trace/trace_events.c
index 56c260b..8c91b7c 100644
--- a/kernel/trace/trace_events.c
+++ b/kernel/trace/trace_events.c
@@ -898,9 +898,9 @@ event_subsystem_dir(const char *name, struct dentry *d_events)
"'%s/filter' entry\n", name);
}
- entry = trace_create_file("enable", 0644, system->entry,
- (void *)system->name,
- &ftrace_system_enable_fops);
+ trace_create_file("enable", 0644, system->entry,
+ (void *)system->name,
+ &ftrace_system_enable_fops);
return system->entry;
}
@@ -912,7 +912,6 @@ event_create_dir(struct ftrace_event_call *call, struct dentry *d_events,
const struct file_operations *filter,
const struct file_operations *format)
{
- struct dentry *entry;
int ret;
/*
@@ -930,12 +929,12 @@ event_create_dir(struct ftrace_event_call *call, struct dentry *d_events,
}
if (call->regfunc)
- entry = trace_create_file("enable", 0644, call->dir, call,
- enable);
+ trace_create_file("enable", 0644, call->dir, call,
+ enable);
if (call->id && call->profile_enable)
- entry = trace_create_file("id", 0444, call->dir, call,
- id);
+ trace_create_file("id", 0444, call->dir, call,
+ id);
if (call->define_fields) {
ret = call->define_fields(call);
@@ -944,16 +943,16 @@ event_create_dir(struct ftrace_event_call *call, struct dentry *d_events,
" events/%s\n", call->name);
return ret;
}
- entry = trace_create_file("filter", 0644, call->dir, call,
- filter);
+ trace_create_file("filter", 0644, call->dir, call,
+ filter);
}
/* A trace may not want to export its format */
if (!call->show_format)
return 0;
- entry = trace_create_file("format", 0444, call->dir, call,
- format);
+ trace_create_file("format", 0444, call->dir, call,
+ format);
return 0;
}
--
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