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| author | Li Qiang <liq3ea@gmail.com> | 2016-12-29 04:28:41 -0500 |
|---|---|---|
| committer | Gerd Hoffmann <kraxel@redhat.com> | 2017-01-03 15:47:21 +0100 |
| commit | 204f01b30975923c64006f8067f0937b91eea68b (patch) | |
| tree | e1161dddcc370f5045b9d7e3e32890653466a79d /hw/display/virtio-gpu.c | |
| parent | 33243031dad02d161225ba99d782616da133f689 (diff) | |
| download | qemu-204f01b30975923c64006f8067f0937b91eea68b.zip qemu-204f01b30975923c64006f8067f0937b91eea68b.tar.gz qemu-204f01b30975923c64006f8067f0937b91eea68b.tar.bz2 | |
virtio-gpu: fix memory leak in resource attach backing
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 <liq3ea@gmail.com>
Message-id: 1483003721-65360-1-git-send-email-liq3ea@gmail.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Diffstat (limited to 'hw/display/virtio-gpu.c')
| -rw-r--r-- | hw/display/virtio-gpu.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/hw/display/virtio-gpu.c b/hw/display/virtio-gpu.c index 6a26258..ca88cf4 100644 --- a/hw/display/virtio-gpu.c +++ b/hw/display/virtio-gpu.c @@ -714,6 +714,11 @@ 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; |