diff options
| author | Kaushlendra Kumar <kaushlendra.kumar@intel.com> | 2026-01-09 08:55:49 +0530 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2026-02-26 15:01:35 -0800 |
| commit | e58737c59cdf643d363b2b0ce21a20520ffd1908 (patch) | |
| tree | fef84a33bdb76f61b5c4531a69f0bd508f77f49d /drivers/gpu | |
| parent | 0886dc6326c3cc596799c4340d342898301cf52a (diff) | |
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 68c01932f7b4..e06f324027be 100644 --- a/drivers/gpu/drm/i915/display/intel_acpi.c +++ b/drivers/gpu/drm/i915/display/intel_acpi.c @@ -96,6 +96,7 @@ 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; } |