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>
diff --git a/drivers/staging/batman-adv/device.c b/drivers/staging/batman-adv/device.c
index 7eb6559..32204b5 100644
--- a/drivers/staging/batman-adv/device.c
+++ b/drivers/staging/batman-adv/device.c
@@ -196,7 +196,7 @@
kfree(device_packet);
if (error)
- return error;
+ return -EFAULT;
return sizeof(struct icmp_packet);
}