diff options
| author | Diana Craciun <diana.craciun@oss.nxp.com> | 2020-10-15 21:14:17 +0300 |
|---|---|---|
| committer | Alex Williamson <alex.williamson@redhat.com> | 2020-10-15 21:46:08 +0300 |
| commit | 159246378d8483ba63844fc03027df70501552c1 (patch) | |
| tree | 6da33e3a4bbb61775b1c106bd5ce219ccf21a952 /drivers/vfio | |
| parent | 83e491799e631dd41e7c7a870dd3a7603c461123 (diff) | |
| download | linux-159246378d8483ba63844fc03027df70501552c1.tar.xz | |
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: cc0ee20bd969 ("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>
Diffstat (limited to 'drivers/vfio')
| -rw-r--r-- | drivers/vfio/fsl-mc/vfio_fsl_mc_intr.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/vfio/fsl-mc/vfio_fsl_mc_intr.c b/drivers/vfio/fsl-mc/vfio_fsl_mc_intr.c index 2ce2acad3461..c80dceb46f79 100644 --- a/drivers/vfio/fsl-mc/vfio_fsl_mc_intr.c +++ b/drivers/vfio/fsl-mc/vfio_fsl_mc_intr.c @@ -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; |