drm/udl: Suppress error print for -EPROTO at URB completion

The driver may receive -EPROTO at the URB completion when the device
gets disconnected, and it's a normal situation.  Suppress the error
print for that, too.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Acked-by: Thomas Zimmermann <tzimmermann@suse.de>
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20220908095115.23396-6-tiwai@suse.de

diff --git a/drivers/gpu/drm/udl/udl_main.c b/drivers/gpu/drm/udl/udl_main.c
index a9f6b71..6aed6e0 100644 (file)
--- a/drivers/gpu/drm/udl/udl_main.c
+++ b/drivers/gpu/drm/udl/udl_main.c
@@ -126,6 +126,7 @@ void udl_urb_completion(struct urb *urb)
        if (urb->status) {
                if (!(urb->status == -ENOENT ||
                    urb->status == -ECONNRESET ||
+                   urb->status == -EPROTO ||
                    urb->status == -ESHUTDOWN)) {
                        DRM_ERROR("%s - nonzero write bulk status received: %d\n",
                                __func__, urb->status);