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drm/i915/acpi: free _DSM package when no connectors

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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: 337d7a1621 ("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 c0a27a0ca8)
Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
This commit is contained in:
Kaushlendra Kumar
2026-01-09 08:55:49 +05:30
committed by Joonas Lahtinen
parent fe26ae6ac8
commit 57b85fd53f
1 changed files with 1 additions and 0 deletions
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drivers/gpu/drm/i915/display/intel_acpi.c
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@@ -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;
}