diff options
| author | Lyude Paul <lyude@redhat.com> | 2018-12-12 02:56:20 +0300 |
|---|---|---|
| committer | Ben Skeggs <bskeggs@redhat.com> | 2018-12-12 10:00:26 +0300 |
| commit | 24199c5436f267399afed0c4f1f57663c0408f57 (patch) | |
| tree | f4811083920d7453c39f9f192023400c8dc1956d /drivers/gpu/drm | |
| parent | 970a5ee41c72df46e3b0f307528c7d8ef7734a2e (diff) | |
| download | linux-24199c5436f267399afed0c4f1f57663c0408f57.tar.xz | |
drm/nouveau/kms: Fix memory leak in nv50_mstm_del()
Noticed this while working on redoing the reference counting scheme in
the DP MST helpers. Nouveau doesn't attempt to call
drm_dp_mst_topology_mgr_destroy() at all, which leaves it leaking all of
the resources for drm_dp_mst_topology_mgr and it's children mstbs+ports.
Fixes: f479c0ba4a17 ("drm/nouveau/kms/nv50: initial support for DP 1.2 multi-stream")
Signed-off-by: Lyude Paul <lyude@redhat.com>
Cc: <stable@vger.kernel.org> # v4.10+
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu/drm')
| -rw-r--r-- | drivers/gpu/drm/nouveau/dispnv50/disp.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/dispnv50/disp.c b/drivers/gpu/drm/nouveau/dispnv50/disp.c index 03e3ce9e6f28..b7fc471056ad 100644 --- a/drivers/gpu/drm/nouveau/dispnv50/disp.c +++ b/drivers/gpu/drm/nouveau/dispnv50/disp.c @@ -1264,6 +1264,7 @@ nv50_mstm_del(struct nv50_mstm **pmstm) { struct nv50_mstm *mstm = *pmstm; if (mstm) { + drm_dp_mst_topology_mgr_destroy(&mstm->mgr); kfree(*pmstm); *pmstm = NULL; } |