This backport patch should have been backported along with commit 52b330799e2d
("drm/exynos: vidi: use ctx->lock to protect struct vidi_context member
variables related to memory alloc/free"), but was written separately because
some commits were missing.https://lore.kernel.org/all/[email protected]/ After this patch is backported, we plan to write additional patches to backport to the remaining longterm kernels. Jeongjun Park (2): drm/exynos: vidi: use priv->vidi_dev for ctx lookup in vidi_connection_ioctl() drm/exynos: vidi: fix to avoid directly dereferencing user pointer drivers/gpu/drm/exynos/exynos_drm_drv.h | 1 + drivers/gpu/drm/exynos/exynos_drm_vidi.c | 36 +++++++++++++++++++++++++++++++----- 2 files changed, 32 insertions(+), 5 deletions(-)
