linux-kernel - [PATCH] drm/virtio: remove some redundant code

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Message-Id: <20230711090030.692551-1-suhui@nfschina.com>
Date:   Tue, 11 Jul 2023 17:00:31 +0800
From:   Su Hui <suhui@...china.com>
To:     airlied@...hat.com, kraxel@...hat.com, gurchetansingh@...omium.org,
        olvaffe@...il.com, daniel@...ll.ch
Cc:     dri-devel@...ts.freedesktop.org,
        virtualization@...ts.linux-foundation.org,
        linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org,
        Su Hui <suhui@...china.com>
Subject: [PATCH] drm/virtio: remove some redundant code

virtio_gpu_get_vbuf always be successful,
so remove the error judgment.

Signed-off-by: Su Hui <suhui@...china.com>
---
 drivers/gpu/drm/virtio/virtgpu_vq.c | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/drivers/gpu/drm/virtio/virtgpu_vq.c b/drivers/gpu/drm/virtio/virtgpu_vq.c
index b1a00c0c25a7..7a2680b3f1a7 100644
--- a/drivers/gpu/drm/virtio/virtgpu_vq.c
+++ b/drivers/gpu/drm/virtio/virtgpu_vq.c
@@ -129,10 +129,6 @@ virtio_gpu_alloc_cursor(struct virtio_gpu_device *vgdev,
 	vbuf = virtio_gpu_get_vbuf
 		(vgdev, sizeof(struct virtio_gpu_update_cursor),
 		 0, NULL, NULL);
-	if (IS_ERR(vbuf)) {
-		*vbuffer_p = NULL;
-		return ERR_CAST(vbuf);
-	}
 	*vbuffer_p = vbuf;
 	return (struct virtio_gpu_update_cursor *)vbuf->buf;
 }
-- 
2.30.2