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-rw-r--r--sys/dev/drm/drm_irq.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/sys/dev/drm/drm_irq.c b/sys/dev/drm/drm_irq.c
index 5965699..afe2963 100644
--- a/sys/dev/drm/drm_irq.c
+++ b/sys/dev/drm/drm_irq.c
@@ -351,7 +351,7 @@ int drm_modeset_ctl(struct drm_device *dev, void *data,
goto out;
crtc = modeset->crtc;
- if (crtc >= dev->num_crtcs) {
+ if (crtc < 0 || crtc >= dev->num_crtcs) {
ret = EINVAL;
goto out;
}
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