linux-kernel - [PATCH 05/12] drm/udl: Suppress error print for -EPROTO at URB completion

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Date:   Tue, 16 Aug 2022 17:36:48 +0200
From:   Takashi Iwai <tiwai@...e.de>
To:     Thomas Zimmermann <tzimmermann@...e.de>
Cc:     dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org
Subject: [PATCH 05/12] 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@...e.de>
---
 drivers/gpu/drm/udl/udl_main.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/udl/udl_main.c b/drivers/gpu/drm/udl/udl_main.c
index a9f6b710b254..6aed6e0f669c 100644
--- 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);
-- 
2.35.3