From: Dmitry Osipenko <dmitry.osipenko@collabora.com>
To: "David Airlie" <airlied@linux.ie>,
"Gerd Hoffmann" <kraxel@redhat.com>,
"Gurchetan Singh" <gurchetansingh@chromium.org>,
"Chia-I Wu" <olvaffe@gmail.com>,
"Daniel Vetter" <daniel@ffwll.ch>,
"Thomas Zimmermann" <tzimmermann@suse.de>,
"Emil Velikov" <emil.l.velikov@gmail.com>,
"Robin Murphy" <robin.murphy@arm.com>,
"Thomas Hellström" <thomas_os@shipmail.org>
Cc: Dmitry Osipenko <digetx@gmail.com>,
kernel@collabora.com, linux-kernel@vger.kernel.org,
dri-devel@lists.freedesktop.org,
virtualization@lists.linux-foundation.org
Subject: [PATCH v7 9/9] drm/virtio: Return proper error codes instead of -1
Date: Thu, 30 Jun 2022 23:07:26 +0300 [thread overview]
Message-ID: <20220630200726.1884320-10-dmitry.osipenko@collabora.com> (raw)
In-Reply-To: <20220630200726.1884320-1-dmitry.osipenko@collabora.com>
Don't return -1 in error cases, return proper error code. The returned
error codes propagate to error messages and to userspace and it's always
good to have a meaningful error number for debugging purposes.
Signed-off-by: Dmitry Osipenko <dmitry.osipenko@collabora.com>
---
drivers/gpu/drm/virtio/virtgpu_vq.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/virtio/virtgpu_vq.c b/drivers/gpu/drm/virtio/virtgpu_vq.c
index ee84256946ab..9ff8660b50ad 100644
--- a/drivers/gpu/drm/virtio/virtgpu_vq.c
+++ b/drivers/gpu/drm/virtio/virtgpu_vq.c
@@ -322,7 +322,7 @@ static int virtio_gpu_queue_ctrl_sgs(struct virtio_gpu_device *vgdev,
if (fence && vbuf->objs)
virtio_gpu_array_unlock_resv(vbuf->objs);
free_vbuf(vgdev, vbuf);
- return -1;
+ return -ENODEV;
}
if (vgdev->has_indirect)
@@ -386,7 +386,7 @@ static int virtio_gpu_queue_fenced_ctrl_buffer(struct virtio_gpu_device *vgdev,
if (!sgt) {
if (fence && vbuf->objs)
virtio_gpu_array_unlock_resv(vbuf->objs);
- return -1;
+ return -ENOMEM;
}
elemcnt += sg_ents;
@@ -720,7 +720,7 @@ static int virtio_get_edid_block(void *data, u8 *buf,
size_t start = block * EDID_LENGTH;
if (start + len > le32_to_cpu(resp->size))
- return -1;
+ return -EINVAL;
memcpy(buf, resp->edid + start, len);
return 0;
}
--
2.36.1
prev parent reply other threads:[~2022-06-30 20:08 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-06-30 20:07 [PATCH v7 0/9] VirtIO-GPU driver fixes and improvements Dmitry Osipenko
2022-06-30 20:07 ` [PATCH v7 1/9] drm/virtio: Correct drm_gem_shmem_get_sg_table() error handling Dmitry Osipenko
2022-06-30 20:07 ` [PATCH v7 2/9] drm/virtio: Check whether transferred 2D BO is shmem Dmitry Osipenko
2022-06-30 20:07 ` [PATCH v7 3/9] drm/virtio: Unlock reservations on virtio_gpu_object_shmem_init() error Dmitry Osipenko
2022-06-30 20:07 ` [PATCH v7 4/9] drm/virtio: Unlock reservations on dma_resv_reserve_fences() error Dmitry Osipenko
2022-06-30 20:07 ` [PATCH v7 5/9] drm/virtio: Use appropriate atomic state in virtio_gpu_plane_cleanup_fb() Dmitry Osipenko
2022-06-30 20:07 ` [PATCH v7 6/9] drm/virtio: Simplify error handling of virtio_gpu_object_create() Dmitry Osipenko
2022-06-30 20:07 ` [PATCH v7 7/9] drm/virtio: Improve DMA API usage for shmem BOs Dmitry Osipenko
2022-07-05 13:53 ` Gerd Hoffmann
2022-07-05 14:27 ` Dmitry Osipenko
2022-07-05 15:45 ` Gerd Hoffmann
2022-07-05 16:03 ` Emil Velikov
2022-07-05 17:02 ` Dmitry Osipenko
2022-07-05 20:56 ` Emil Velikov
2022-07-06 10:30 ` Laszlo Ersek
2022-07-05 21:39 ` Rob Clark
2022-07-05 23:08 ` Dmitry Osipenko
2022-07-06 7:13 ` Gerd Hoffmann
2022-07-06 7:22 ` Dmitry Osipenko
2022-07-19 10:31 ` Gerd Hoffmann
2022-07-19 11:30 ` Dmitry Osipenko
2022-06-30 20:07 ` [PATCH v7 8/9] drm/virtio: Use dev_is_pci() Dmitry Osipenko
2022-06-30 20:07 ` Dmitry Osipenko [this message]
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