3rd-party/linux-kernel-module-cheat
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Create debugfs files directly on debugfs root instead of a subdirectory

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This commit is contained in:
Ciro Santilli
2017-07-14 11:24:52 +01:00
parent d4ed593451
commit 1918c4fdfe
10 changed files with 21 additions and 26 deletions
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8
kernel_module/poll.c
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@@ -24,7 +24,7 @@ MODULE_LICENSE("GPL");
static char readbuf[1024];
static size_t readbuflen;
static struct dentry *dir;
static struct dentry *debugfs_file;
static struct task_struct *kthread;
static wait_queue_head_t waitqueue;
@@ -74,8 +74,8 @@ static const struct file_operations fops = {
static int myinit(void)
{
dir = debugfs_create_dir("lkmc_poll", 0);
debugfs_create_file("f", S_IRUSR | S_IWUSR, dir, NULL, &fops);
debugfs_file = debugfs_create_file(
"lkmc_poll", S_IRUSR | S_IWUSR, NULL, NULL, &fops);
init_waitqueue_head(&waitqueue);
kthread = kthread_create(kthread_func, NULL, "mykthread");
wake_up_process(kthread);
@@ -85,7 +85,7 @@ static int myinit(void)
static void myexit(void)
{
kthread_stop(kthread);
debugfs_remove_recursive(dir);
debugfs_remove(debugfs_file);
}
module_init(myinit)