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-rw-r--r--kms++util/src/resourcemanager.cpp12
1 files changed, 12 insertions, 0 deletions
diff --git a/kms++util/src/resourcemanager.cpp b/kms++util/src/resourcemanager.cpp
index 23a1480..f751147 100644
--- a/kms++util/src/resourcemanager.cpp
+++ b/kms++util/src/resourcemanager.cpp
@@ -101,6 +101,9 @@ Connector* ResourceManager::reserve_connector(const string& name)
Connector* ResourceManager::reserve_connector(Connector* conn)
{
+ if (!conn)
+ return nullptr;
+
if (contains(m_reserved_connectors, conn))
return nullptr;
@@ -110,6 +113,9 @@ Connector* ResourceManager::reserve_connector(Connector* conn)
Crtc* ResourceManager::reserve_crtc(Connector* conn)
{
+ if (!conn)
+ return nullptr;
+
if (Crtc* crtc = conn->get_current_crtc()) {
m_reserved_crtcs.push_back(crtc);
return crtc;
@@ -128,6 +134,9 @@ Crtc* ResourceManager::reserve_crtc(Connector* conn)
Plane* ResourceManager::reserve_plane(Crtc* crtc, PlaneType type, PixelFormat format)
{
+ if (!crtc)
+ return nullptr;
+
for (Plane* plane : crtc->get_possible_planes()) {
if (plane->plane_type() == type)
continue;
@@ -147,6 +156,9 @@ Plane* ResourceManager::reserve_plane(Crtc* crtc, PlaneType type, PixelFormat fo
Plane* ResourceManager::reserve_generic_plane(Crtc* crtc, PixelFormat format)
{
+ if (!crtc)
+ return nullptr;
+
for (Plane* plane : crtc->get_possible_planes()) {
if (plane->plane_type() == PlaneType::Cursor)
continue;