Commit cf2d3fc9 authored Jun 06, 2010 by Dan Carpenter Committed by Greg Kroah-Hartman Jun 21, 2010

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>

parent e6dc269b

drivers/staging/batman-adv/device.c

+1 −1

Original line number	Original line	Diff line number	Diff line
	@@ -196,7 +196,7 @@ ssize_t bat_device_read(struct file file, char __user buf, size_t count,
	kfree(device_packet);		kfree(device_packet);

	if (error)		if (error)
	return error;		return -EFAULT;

	return sizeof(struct icmp_packet);		return sizeof(struct icmp_packet);
	}		}