Commit ed6f1c99 authored by Namhyung Kim's avatar Namhyung Kim Committed by Steven Rostedt

tracing: Check return value of tracing_init_dentry()

Check return value and bail out if it's NULL.


Cc: Frederic Weisbecker <>
Cc: Namhyung Kim <>
Signed-off-by: default avatarNamhyung Kim <>
Signed-off-by: default avatarSteven Rostedt <>
parent f1943977
......@@ -5953,6 +5953,8 @@ static __init int tracer_init_debugfs(void)
d_tracer = tracing_init_dentry();
if (!d_tracer)
return 0;
init_tracer_debugfs(&global_trace, d_tracer);
......@@ -431,6 +431,8 @@ static __init int stack_trace_init(void)
struct dentry *d_tracer;
d_tracer = tracing_init_dentry();
if (!d_tracer)
return 0;
trace_create_file("stack_max_size", 0644, d_tracer,
&max_stack_size, &stack_max_size_fops);
......@@ -307,6 +307,8 @@ static int tracing_stat_init(void)
struct dentry *d_tracing;
d_tracing = tracing_init_dentry();
if (!d_tracing)
return 0;
stat_dir = debugfs_create_dir("trace_stat", d_tracing);
if (!stat_dir)
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