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Diffstat (limited to 'drivers/gpu/drm/drm_dp_aux_dev.c')
-rw-r--r--drivers/gpu/drm/drm_dp_aux_dev.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/drm_dp_aux_dev.c b/drivers/gpu/drm/drm_dp_aux_dev.c
index 2510717d5a08..e25181bf2c48 100644
--- a/drivers/gpu/drm/drm_dp_aux_dev.c
+++ b/drivers/gpu/drm/drm_dp_aux_dev.c
@@ -63,7 +63,7 @@ static struct drm_dp_aux_dev *drm_dp_aux_dev_get_by_minor(unsigned index)
63 63
64 mutex_lock(&aux_idr_mutex); 64 mutex_lock(&aux_idr_mutex);
65 aux_dev = idr_find(&aux_idr, index); 65 aux_dev = idr_find(&aux_idr, index);
66 if (!kref_get_unless_zero(&aux_dev->refcount)) 66 if (aux_dev && !kref_get_unless_zero(&aux_dev->refcount))
67 aux_dev = NULL; 67 aux_dev = NULL;
68 mutex_unlock(&aux_idr_mutex); 68 mutex_unlock(&aux_idr_mutex);
69 69