Commit 25477f23 authored by Dan Carpenter's avatar Dan Carpenter Committed by Greg Kroah-Hartman

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: default avatarDan Carpenter <error27@gmail.com>
Signed-off-by: default avatarSven Eckelmann <sven.eckelmann@gmx.de>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent f2102d31
...@@ -196,7 +196,7 @@ ssize_t bat_device_read(struct file *file, char __user *buf, size_t count, ...@@ -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);
} }
......
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