MFL: Don't install irq handler unless the driver has been initialized.

diff --git a/bsd-core/drm_dma.c b/bsd-core/drm_dma.c
index 526faee..10c26e3 100644 (file)
--- a/bsd-core/drm_dma.c
+++ b/bsd-core/drm_dma.c
@@ -160,6 +160,9 @@ int DRM(irq_install)( drm_device_t *dev, int irq )
        if ( !irq )
                return DRM_ERR(EINVAL);
 
+       if (dev->dev_private == NULL)
+               return DRM_ERR(EINVAL);
+
        DRM_LOCK;
        if ( dev->irq ) {
                DRM_UNLOCK;

diff --git a/bsd/drm_dma.h b/bsd/drm_dma.h
index 526faee..10c26e3 100644 (file)
--- a/bsd/drm_dma.h
+++ b/bsd/drm_dma.h
@@ -160,6 +160,9 @@ int DRM(irq_install)( drm_device_t *dev, int irq )
        if ( !irq )
                return DRM_ERR(EINVAL);
 
+       if (dev->dev_private == NULL)
+               return DRM_ERR(EINVAL);
+
        DRM_LOCK;
        if ( dev->irq ) {
                DRM_UNLOCK;