[B.A.T.M.A.N.] [PATCH 1/2] Staging: batman-adv: return -EFAULT on copy_to_user errors

From: Dan Carpenter error27@gmail.com

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 --- drivers/staging/batman-adv/device.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-)

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 @@ 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); }