| Message ID | 20230602210440.8411-3-quic_jhugo@quicinc.com (mailing list archive) |
|---|---|
| State | Not Applicable |
| Headers | show |
| Series | accel/qaic fixes for 6.4 part 2 | expand |
diff --git a/drivers/accel/qaic/qaic_drv.c b/drivers/accel/qaic/qaic_drv.c index 961cd341b414..b5ba550a0c04 100644 --- a/drivers/accel/qaic/qaic_drv.c +++ b/drivers/accel/qaic/qaic_drv.c @@ -225,6 +225,9 @@ static void qaic_destroy_drm_device(struct qaic_device *qdev, s32 partition_id) struct qaic_user *usr; qddev = qdev->qddev; + qdev->qddev = NULL; + if (!qddev) + return; /* * Existing users get unresolvable errors till they close FDs.
If qaic_destroy_drm_device() is called before the device has fully initialized it will cause a NULL pointer dereference as the drm device has not yet been created. Fix this with a NULL check. Fixes: c501ca23a6a3 ("accel/qaic: Add uapi and core driver file") Signed-off-by: Jeffrey Hugo <quic_jhugo@quicinc.com> Reviewed-by: Carl Vanderlip <quic_carlv@quicinc.com> Reviewed-by: Pranjal Ramajor Asha Kanojiya <quic_pkanojiy@quicinc.com> --- drivers/accel/qaic/qaic_drv.c | 3 +++ 1 file changed, 3 insertions(+)