Merge git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-for-linus

* git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-for-linus:
  params.c: Use new strtobool function to process boolean inputs
  debugfs: move to new strtobool
  Add a strtobool function matching semantics of existing in kernel equivalents
  modpost: Update 64k section support for binutils 2.18.50
  module: Use binary search in lookup_symbol()
  module: Use the binary search for symbols resolution
  lib: Add generic binary search function to the kernel.
  module: Sort exported symbols
  module: each_symbol_section instead of each_symbol
  module: split unset_section_ro_nx function.
  module: undo module RONX protection correctly.
  module: zero mod->init_ro_size after init is freed.
  minor ANSI prototype sparse fix
  module: reorder kparam_array to remove alignment padding on 64 bit builds
  module: remove 64 bit alignment padding from struct module with CONFIG_TRACE*
  module: do not hide __modver_version_show declaration behind ifdef
  module: deal with alignment issues in built-in module versions

1 files changed, 4 insertions, 13 deletions

diff --git a/fs/debugfs/file.c b/fs/debugfs/file.c
index 89d394d8fe24..568304d058a3 100644
--- a/fs/debugfs/file.c
+++ b/fs/debugfs/file.c
@@ -429,25 +429,16 @@ static ssize_t write_file_bool(struct file *file, const char __user *user_buf,
 {
 	char buf[32];
 	int buf_size;
+	bool bv;
 	u32 *val = file->private_data;
 
 	buf_size = min(count, (sizeof(buf)-1));
 	if (copy_from_user(buf, user_buf, buf_size))
 		return -EFAULT;
 
-	switch (buf[0]) {
-	case 'y':
-	case 'Y':
-	case '1':
-		*val = 1;
-		break;
-	case 'n':
-	case 'N':
-	case '0':
-		*val = 0;
-		break;
-	}
-	
+	if (strtobool(buf, &bv) == 0)
+		*val = bv;
+
 	return count;
 }