Staging: batman-adv: return -EFAULT on copy_to_user errors

copy_to_user() returns the number of bites remaining but we want to
return a negative error code here.

Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Sven Eckelmann <sven.eckelmann@gmx.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Dan Carpenter 2010-06-06 21:03:04 +02:00 committed by Greg Kroah-Hartman
parent e6dc269b40
commit cf2d3fc978

View File

@ -196,7 +196,7 @@ ssize_t bat_device_read(struct file *file, char __user *buf, size_t count,
kfree(device_packet);
if (error)
return error;
return -EFAULT;
return sizeof(struct icmp_packet);
}