[Xen-devel] [PATCHv1 1/2] xen/prvicmd: use ENOTTY if the IOCTL is not supported

[David Vrabel <david.vrabel@xxxxxxxxxx>]

The standard return value for ioctl(2) where the cmd is not supported
is ENOTTY, not EINVAL.

Signed-off-by: David Vrabel <david.vrabel@xxxxxxxxxx>
---
 drivers/xen/privcmd.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/xen/privcmd.c b/drivers/xen/privcmd.c
index 702040f..ac76bc4 100644
--- a/drivers/xen/privcmd.c
+++ b/drivers/xen/privcmd.c
@@ -572,7 +572,7 @@ static long privcmd_ioctl(struct file *file,
                break;
 
        default:
-               ret = -EINVAL;
+               ret = -ENOTTY;
                break;
        }
 
-- 
2.1.4


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