Commit 964f8363 authored by Andy Shevchenko's avatar Andy Shevchenko Committed by Greg Kroah-Hartman
Browse files

debugfs: Re-use kstrtobool_from_user() 



Re-use kstrtobool_from_user() instead of open coded variant.

Signed-off-by: default avatarAndy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent f0a46297

fs/debugfs/file.c

+2 −8
Original line number Diff line number Diff line
@@ -796,19 +796,13 @@ EXPORT_SYMBOL_GPL(debugfs_read_file_bool); 
ssize_t debugfs_write_file_bool(struct file *file, const char __user *user_buf,

				size_t count, loff_t *ppos)

{

	char buf[32];

	size_t buf_size;

	bool bv;

	int r;

	bool *val = file->private_data;

	struct dentry *dentry = F_DENTRY(file);



	buf_size = min(count, (sizeof(buf)-1));

	if (copy_from_user(buf, user_buf, buf_size))

		return -EFAULT;



	buf[buf_size] = '\0';

	if (strtobool(buf, &bv) == 0) {

	r = kstrtobool_from_user(user_buf, count, &bv);

	if (!r) {

		r = debugfs_file_get(dentry);

		if (unlikely(r))

			return r;