This series fixes two error-handling issues in the udl DRM driver: 1. Reject short USB control transfers (ret != 2) in udl_read_edid_block() with -EIO so uninitialized or stale bytes from read_buff[1] are not copied into the EDID buffer. 2. Call udl_drop_usb(udl) when drm_dev_register() fails in udl_usb_probe() so the allocated URB list and DMA buffers are released.
Changes in v2: - Split into two separate patches, as requested by Jani Nikula. Hui Peng (2): drm/udl: reject short USB control transfers in udl_read_edid_block() drm/udl: clean up USB resources if drm_dev_register() fails drivers/gpu/drm/udl/udl_drv.c | 4 +++- drivers/gpu/drm/udl/udl_edid.c | 2 +- 2 files changed, 4 insertions(+), 2 deletions(-) -- 2.55.0.1082.g2b9226bbc0-goog
