debugfs: move to new strtobool

No functional changes requires that we eat errors from strtobool.
If people want to not do this, then it should be fixed at a later date.

V2: Simplification suggested by Rusty Russell removes the need for
additional variable ret.

Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Jonathan Cameron 2011-04-19 12:43:46 +01:00 committed by Rusty Russell
parent d0f1fed29e
commit a037439637

View file

@ -429,25 +429,16 @@ static ssize_t write_file_bool(struct file *file, const char __user *user_buf,
{ {
char buf[32]; char buf[32];
int buf_size; int buf_size;
bool bv;
u32 *val = file->private_data; u32 *val = file->private_data;
buf_size = min(count, (sizeof(buf)-1)); buf_size = min(count, (sizeof(buf)-1));
if (copy_from_user(buf, user_buf, buf_size)) if (copy_from_user(buf, user_buf, buf_size))
return -EFAULT; return -EFAULT;
switch (buf[0]) { if (strtobool(buf, &bv) == 0)
case 'y': *val = bv;
case 'Y':
case '1':
*val = 1;
break;
case 'n':
case 'N':
case '0':
*val = 0;
break;
}
return count; return count;
} }