Since kmalloc can be failed in memory pressure, check and return error code otherwise NULL deference could be happened Signed-off-by: Insu Yun <wuninsu@xxxxxxxxx> --- drivers/gpu/drm/qxl/qxl_kms.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/gpu/drm/qxl/qxl_kms.c b/drivers/gpu/drm/qxl/qxl_kms.c index b2977a1..02d26b3 100644 --- a/drivers/gpu/drm/qxl/qxl_kms.c +++ b/drivers/gpu/drm/qxl/qxl_kms.c @@ -221,6 +221,9 @@ static int qxl_device_init(struct qxl_device *qdev, kmalloc(qdev->n_mem_slots * sizeof(struct qxl_memslot), GFP_KERNEL); + if (!qdev->mem_slots) + return -ENOMEM; + idr_init(&qdev->release_idr); spin_lock_init(&qdev->release_idr_lock); spin_lock_init(&qdev->release_lock); -- 1.9.1 _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/dri-devel
