diff options
| author | Kaushlendra Kumar <kaushlendra.kumar@intel.com> | 2026-01-09 06:25:49 +0300 |
|---|---|---|
| committer | Sasha Levin <sashal@kernel.org> | 2026-03-04 15:20:09 +0300 |
| commit | fc496d102aa18552d1072d9a85da49fbe90f86cb (patch) | |
| tree | f1c260709a4ad912717c5cadf384bcf2f02ee374 /drivers/gpu | |
| parent | 30ffcad5edb56947dccc26f6816ab7a55b21a711 (diff) | |
| download | linux-fc496d102aa18552d1072d9a85da49fbe90f86cb.tar.xz | |
drm/i915/acpi: free _DSM package when no connectors
[ Upstream commit 57b85fd53fccfdf14ce7b36d919c31aa752255f8 ]
acpi_evaluate_dsm_typed() returns an ACPI package in pkg.
When pkg->package.count == 0, we returned without freeing pkg,
leaking memory. Free pkg before returning on the empty case.
Signed-off-by: Kaushlendra Kumar <kaushlendra.kumar@intel.com>
Fixes: 337d7a1621c7 ("drm/i915: Fix invalid access to ACPI _DSM objects")
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patch.msgid.link/20260109032549.1826303-1-kaushlendra.kumar@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
(cherry picked from commit c0a27a0ca8a34e96d08bb05a2c5d5ccf63fb8dc0)
Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_acpi.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_acpi.c b/drivers/gpu/drm/i915/display/intel_acpi.c index 9df78e7caa2b..231b341d968a 100644 --- a/drivers/gpu/drm/i915/display/intel_acpi.c +++ b/drivers/gpu/drm/i915/display/intel_acpi.c @@ -93,6 +93,7 @@ static void intel_dsm_platform_mux_info(acpi_handle dhandle) if (!pkg->package.count) { DRM_DEBUG_DRIVER("no connection in _DSM\n"); + ACPI_FREE(pkg); return; } |