Commit e0b91050 authored by Bob Moore's avatar Bob Moore Committed by Len Brown
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ACPICA: Fixed possible corruption of global GPE list



Fixed a problem in acpi_ev_delete_gpe_xrupt where the global interrupt
list could be corrupted if the interrupt being removed was at
the head of the list. Reported by Linn Crosetto.

Signed-off-by: default avatarBob Moore <robert.moore@intel.com>
Signed-off-by: default avatarLen Brown <len.brown@intel.com>
parent a0a3f6c6
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+4 −0
Original line number Diff line number Diff line
@@ -586,6 +586,10 @@ acpi_ev_delete_gpe_xrupt(struct acpi_gpe_xrupt_info *gpe_xrupt)
	flags = acpi_os_acquire_lock(acpi_gbl_gpe_lock);
	if (gpe_xrupt->previous) {
		gpe_xrupt->previous->next = gpe_xrupt->next;
	} else {
		/* No previous, update list head */

		acpi_gbl_gpe_xrupt_list_head = gpe_xrupt->next;
	}

	if (gpe_xrupt->next) {