vfio/fsl-mc: Fix the dead code in vfio_fsl_mc_set_irq_trigger

Static analysis discovered that some code in vfio_fsl_mc_set_irq_trigger
is dead code. Fixed the code by changing the conditions order.

Fixes: cc0ee20bd9 ("vfio/fsl-mc: trigger an interrupt via eventfd")
Reported-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Diana Craciun <diana.craciun@oss.nxp.com>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
This commit is contained in:
Diana Craciun 2020-10-15 21:14:17 +03:00 committed by Alex Williamson
parent 83e491799e
commit 159246378d

View File

@ -114,6 +114,9 @@ static int vfio_fsl_mc_set_irq_trigger(struct vfio_fsl_mc_device *vdev,
struct device *cont_dev = fsl_mc_cont_dev(&mc_dev->dev);
struct fsl_mc_device *mc_cont = to_fsl_mc_device(cont_dev);
if (!count && (flags & VFIO_IRQ_SET_DATA_NONE))
return vfio_set_trigger(vdev, index, -1);
if (start != 0 || count != 1)
return -EINVAL;
@ -128,9 +131,6 @@ static int vfio_fsl_mc_set_irq_trigger(struct vfio_fsl_mc_device *vdev,
goto unlock;
mutex_unlock(&vdev->reflck->lock);
if (!count && (flags & VFIO_IRQ_SET_DATA_NONE))
return vfio_set_trigger(vdev, index, -1);
if (flags & VFIO_IRQ_SET_DATA_EVENTFD) {
s32 fd = *(s32 *)data;