copy_to_user() returns the number of bites remaining but we want to return a negative error code here.
Signed-off-by: Dan Carpenter <[email protected]> diff --git a/drivers/staging/batman-adv/device.c b/drivers/staging/batman-adv/device.c index ad82ec4..c7f3978 100644 --- a/drivers/staging/batman-adv/device.c +++ b/drivers/staging/batman-adv/device.c @@ -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); } _______________________________________________ devel mailing list [email protected] http://driverdev.linuxdriverproject.org/mailman/listinfo/devel
