Merge branch 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git...

[firefly-linux-kernel-4.4.55.git] / kernel / trace / trace_stack.c

diff --git a/kernel/trace/trace_stack.c b/kernel/trace/trace_stack.c
index 16eddb308c336aac2636ee43c4dcdfab7bb4a3f7..c3e4fcfddd4580f898cda317b326ee4675214ceb 100644 (file)
--- a/kernel/trace/trace_stack.c
+++ b/kernel/trace/trace_stack.c
@@ -7,12 +7,10 @@
 #include <linux/seq_file.h>
 #include <linux/spinlock.h>
 #include <linux/uaccess.h>
-#include <linux/debugfs.h>
 #include <linux/ftrace.h>
 #include <linux/module.h>
 #include <linux/sysctl.h>
 #include <linux/init.h>
-#include <linux/fs.h>
 
 #include <asm/setup.h>
 
@@ -462,7 +460,7 @@ static __init int stack_trace_init(void)
        struct dentry *d_tracer;
 
        d_tracer = tracing_init_dentry();
-       if (!d_tracer)
+       if (IS_ERR(d_tracer))
                return 0;
 
        trace_create_file("stack_max_size", 0644, d_tracer,