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| author | Wei Yang <richard.weiyang@linux.alibaba.com> | 2020-07-12 09:10:36 +0800 |
|---|---|---|
| committer | Steven Rostedt (VMware) <rostedt@goodmis.org> | 2020-09-18 22:17:14 -0400 |
| commit | 22c36b18263426bdd97ef5e04c0e92224c612ee1 (patch) | |
| tree | 8c42301462706949d36a4c51ebc006de12ee62b5 /kernel/trace/trace_uprobe.c | |
| parent | dc300d77b86a122d3fd099206e1adf699ed80bd7 (diff) | |
| download | linux-22c36b18263426bdd97ef5e04c0e92224c612ee1.tar.gz linux-22c36b18263426bdd97ef5e04c0e92224c612ee1.tar.bz2 linux-22c36b18263426bdd97ef5e04c0e92224c612ee1.zip | |
tracing: make tracing_init_dentry() returns an integer instead of a d_entry pointer
Current tracing_init_dentry() return a d_entry pointer, while is not
necessary. This function returns NULL on success or error on failure,
which means there is no valid d_entry pointer return.
Let's return 0 on success and negative value for error.
Link: https://lkml.kernel.org/r/20200712011036.70948-5-richard.weiyang@linux.alibaba.com
Signed-off-by: Wei Yang <richard.weiyang@linux.alibaba.com>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Diffstat (limited to 'kernel/trace/trace_uprobe.c')
| -rw-r--r-- | kernel/trace/trace_uprobe.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/kernel/trace/trace_uprobe.c b/kernel/trace/trace_uprobe.c index f4286c9bdeb4..56729c6b6614 100644 --- a/kernel/trace/trace_uprobe.c +++ b/kernel/trace/trace_uprobe.c @@ -1625,21 +1625,20 @@ void destroy_local_trace_uprobe(struct trace_event_call *event_call) /* Make a trace interface for controling probe points */ static __init int init_uprobe_trace(void) { - struct dentry *d_tracer; int ret; ret = dyn_event_register(&trace_uprobe_ops); if (ret) return ret; - d_tracer = tracing_init_dentry(); - if (IS_ERR(d_tracer)) + ret = tracing_init_dentry(); + if (ret) return 0; - trace_create_file("uprobe_events", 0644, d_tracer, + trace_create_file("uprobe_events", 0644, NULL, NULL, &uprobe_events_ops); /* Profile interface */ - trace_create_file("uprobe_profile", 0444, d_tracer, + trace_create_file("uprobe_profile", 0444, NULL, NULL, &uprobe_profile_ops); return 0; } |