| Message ID | 1454627873-26358-1-git-send-email-wuninsu@gmail.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
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);
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@gmail.com> --- drivers/gpu/drm/qxl/qxl_kms.c | 3 +++ 1 file changed, 3 insertions(+)