qemu-devel
[Top][All Lists]
Advanced

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

[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




reply via email to

[Prev in Thread] Current Thread [Next in Thread]