diff options
Diffstat (limited to 'kernel/trace')
| -rw-r--r-- | kernel/trace/trace.c | 2 | ||||
| -rw-r--r-- | kernel/trace/trace_stack.c | 2 | ||||
| -rw-r--r-- | kernel/trace/trace_stat.c | 2 |
3 files changed, 6 insertions, 0 deletions
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c index 8beda3956a5..b29ebd3d7ef 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c @@ -4717,6 +4717,8 @@ static __init int tracer_init_debugfs(void) trace_access_lock_init(); d_tracer = tracing_init_dentry(); + if (!d_tracer) + return 0; trace_create_file("tracing_enabled", 0644, d_tracer, &global_trace, &tracing_ctrl_fops); diff --git a/kernel/trace/trace_stack.c b/kernel/trace/trace_stack.c index abc284203d6..c70f6bfbb73 100644 --- a/kernel/trace/trace_stack.c +++ b/kernel/trace/trace_stack.c @@ -433,6 +433,8 @@ 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); diff --git a/kernel/trace/trace_stat.c b/kernel/trace/trace_stat.c index 96cffb269e7..847f88a6194 100644 --- a/kernel/trace/trace_stat.c +++ b/kernel/trace/trace_stat.c @@ -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) |