diff mbox series

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

Message ID 20201015181417.28427-1-diana.craciun@oss.nxp.com (mailing list archive)
State New, archived
Headers show
Series vfio/fsl-mc: Fix the dead code in vfio_fsl_mc_set_irq_trigger | expand

Commit Message

Diana Madalina Craciun Oct. 15, 2020, 6:14 p.m. UTC 
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>
---
 drivers/vfio/fsl-mc/vfio_fsl_mc_intr.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)
diff mbox series

Patch

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;