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drm/virtio: fix memory leak of vfpriv on error return path

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The allocation for vfpriv is being leaked on an error return path,
fix this by kfree'ing it before returning.

Detected by CoverityScan, CID#1475380 ("Resource Leak")

Fixes: 6a37c49a94 ("drm/virtio: Handle context ID allocation errors")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20181107203122.6861-1-colin.king@canonical.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Colin Ian King
2018-11-07 20:31:22 +00:00
committed by Gerd Hoffmann
parent 6862965261
commit 040b595a91
1 changed files with 3 additions and 1 deletions
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4
drivers/gpu/drm/virtio/virtgpu_kms.c
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@@ -267,8 +267,10 @@ int virtio_gpu_driver_open(struct drm_device *dev, struct drm_file *file)
get_task_comm(dbgname, current);
id = virtio_gpu_context_create(vgdev, strlen(dbgname), dbgname);
if (id < 0)
if (id < 0) {
kfree(vfpriv);
return id;
}
vfpriv->ctx_id = id;
file->driver_priv = vfpriv;