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| author | Li Qiang <liq3ea@gmail.com> | 2016-12-29 03:11:26 -0500 |
|---|---|---|
| committer | Gerd Hoffmann <kraxel@redhat.com> | 2017-01-03 15:47:21 +0100 |
| commit | 33243031dad02d161225ba99d782616da133f689 (patch) | |
| tree | ad918b494795301504981bf77aaa1fb5379bcd2a /hw/display/virtio-gpu-3d.c | |
| parent | b8e23926c568f2e963af39028b71c472e3023793 (diff) | |
| download | qemu-33243031dad02d161225ba99d782616da133f689.zip qemu-33243031dad02d161225ba99d782616da133f689.tar.gz qemu-33243031dad02d161225ba99d782616da133f689.tar.bz2 | |
virtio-gpu-3d: fix memory leak in resource attach backing
If the virgl_renderer_resource_attach_iov function fails the
'res_iovs' will be leaked. Add check of the return value to
free the 'res_iovs' when failing.
Signed-off-by: Li Qiang <liq3ea@gmail.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-id: 1482999086-59795-1-git-send-email-liq3ea@gmail.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Diffstat (limited to 'hw/display/virtio-gpu-3d.c')
| -rw-r--r-- | hw/display/virtio-gpu-3d.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/hw/display/virtio-gpu-3d.c b/hw/display/virtio-gpu-3d.c index e29f099..b13ced3 100644 --- a/hw/display/virtio-gpu-3d.c +++ b/hw/display/virtio-gpu-3d.c @@ -291,8 +291,11 @@ static void virgl_resource_attach_backing(VirtIOGPU *g, return; } - virgl_renderer_resource_attach_iov(att_rb.resource_id, - res_iovs, att_rb.nr_entries); + ret = virgl_renderer_resource_attach_iov(att_rb.resource_id, + res_iovs, att_rb.nr_entries); + + if (ret != 0) + virtio_gpu_cleanup_mapping_iov(res_iovs, att_rb.nr_entries); } static void virgl_resource_detach_backing(VirtIOGPU *g, |