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[Qemu-devel] [PATCH] virtio-gpu: fix memory leak in resource attach back
From: |
Li Qiang |
Subject: |
[Qemu-devel] [PATCH] virtio-gpu: fix memory leak in resource attach backing |
Date: |
Thu, 29 Dec 2016 04:28:41 -0500 |
In the resource attach backing function, everytime it will
allocate 'res->iov' thus can leading a memory leak. This
patch avoid this.
Signed-off-by: Li Qiang <address@hidden>
---
hw/display/virtio-gpu.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/hw/display/virtio-gpu.c b/hw/display/virtio-gpu.c
index 5f32e1a..045f296 100644
--- a/hw/display/virtio-gpu.c
+++ b/hw/display/virtio-gpu.c
@@ -705,6 +705,11 @@ virtio_gpu_resource_attach_backing(VirtIOGPU *g,
return;
}
+ if (res->iov) {
+ cmd->error = VIRTIO_GPU_RESP_ERR_UNSPEC;
+ return;
+ }
+
ret = virtio_gpu_create_mapping_iov(&ab, cmd, &res->addrs, &res->iov);
if (ret != 0) {
cmd->error = VIRTIO_GPU_RESP_ERR_UNSPEC;
--
1.8.3.1
- [Qemu-devel] [PATCH] virtio-gpu: fix memory leak in resource attach backing,
Li Qiang <=