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Diffstat (limited to 'lib/dynamic_debug.c')
-rw-r--r--lib/dynamic_debug.c28
1 files changed, 23 insertions, 5 deletions
diff --git a/lib/dynamic_debug.c b/lib/dynamic_debug.c
index c60409138e13..aae17d9522e5 100644
--- a/lib/dynamic_debug.c
+++ b/lib/dynamic_debug.c
@@ -876,6 +876,14 @@ static const struct file_operations ddebug_proc_fops = {
.write = ddebug_proc_write
};
+static const struct proc_ops proc_fops = {
+ .proc_open = ddebug_proc_open,
+ .proc_read = seq_read,
+ .proc_lseek = seq_lseek,
+ .proc_release = seq_release_private,
+ .proc_write = ddebug_proc_write
+};
+
/*
* Allocate a new ddebug_table for the given module
* and add it to the global list.
@@ -991,15 +999,25 @@ static void ddebug_remove_all_tables(void)
static __initdata int ddebug_init_success;
-static int __init dynamic_debug_init_debugfs(void)
+static int __init dynamic_debug_init_control(void)
{
- struct dentry *dir;
+ struct proc_dir_entry *procfs_dir;
+ struct dentry *debugfs_dir;
if (!ddebug_init_success)
return -ENODEV;
- dir = debugfs_create_dir("dynamic_debug", NULL);
- debugfs_create_file("control", 0644, dir, NULL, &ddebug_proc_fops);
+ /* Create the control file in debugfs if it is enabled */
+ if (debugfs_initialized()) {
+ debugfs_dir = debugfs_create_dir("dynamic_debug", NULL);
+ debugfs_create_file("control", 0644, debugfs_dir, NULL,
+ &ddebug_proc_fops);
+ }
+
+ /* Also create the control file in procfs */
+ procfs_dir = proc_mkdir("dynamic_debug", NULL);
+ if (procfs_dir)
+ proc_create("control", 0644, procfs_dir, &proc_fops);
return 0;
}
@@ -1077,4 +1095,4 @@ out_err:
early_initcall(dynamic_debug_init);
/* Debugfs setup must be done later */
-fs_initcall(dynamic_debug_init_debugfs);
+fs_initcall(dynamic_debug_init_control);