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From e4e144db2115a29e354425e56489e2b1abb07b80 Mon Sep 17 00:00:00 2001
From: Vlad Zahorodnii <vlad.zahorodnii@kde.org>
Date: Mon, 7 Jul 2025 12:08:05 +0000
Subject: [PATCH] backends/drm: Fix memory leak in DrmGpu::createNonMasterFd
drmGetDeviceNameFromFd2 returns an allocated string, which means we
should free it.
(cherry picked from commit e6e3431da596e7580c367ea1ed13b1b614638026)
Co-authored-by: Myrrh Periwinkle <myrrhperiwinkle@qtmlabs.xyz>
---
src/backends/drm/drm_gpu.cpp | 1 +
1 file changed, 1 insertion(+)
diff --git a/src/backends/drm/drm_gpu.cpp b/src/backends/drm/drm_gpu.cpp
index 35cccaa1ad3..2dd35108d7a 100644
--- a/src/backends/drm/drm_gpu.cpp
+++ b/src/backends/drm/drm_gpu.cpp
@@ -122,6 +122,7 @@ FileDescriptor DrmGpu::createNonMasterFd() const
{
char *path = drmGetDeviceNameFromFd2(m_fd);
FileDescriptor fd{open(path, O_RDWR | O_CLOEXEC)};
+ free(path);
if (!fd.isValid()) {
qCWarning(KWIN_DRM) << "Could not open DRM fd for leasing!" << strerror(errno);
} else {
--
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