5.10-stable review patch. If anyone has any objections, please let me know. ------------------ From: Armin Wolf <W_Armin@xxxxxx> [ Upstream commit 5accb265f7a1b23e52b0ec42313d1e12895552f4 ] ACPICA commit 2802af722bbde7bf1a7ac68df68e179e2555d361 If acpi_ps_get_next_namepath() fails, the previously allocated union acpi_parse_object needs to be freed before returning the status code. The issue was first being reported on the Linux ACPI mailing list: Link: https://lore.kernel.org/linux-acpi/56f94776-484f-48c0-8855-dba8e6a7793b@xxxxxxxxx/T/ Link: https://github.com/acpica/acpica/commit/2802af72 Signed-off-by: Armin Wolf <W_Armin@xxxxxx> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> --- drivers/acpi/acpica/psargs.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/acpi/acpica/psargs.c b/drivers/acpi/acpica/psargs.c index 3b40db4ad9f3e..a56d8708cb8ee 100644 --- a/drivers/acpi/acpica/psargs.c +++ b/drivers/acpi/acpica/psargs.c @@ -820,6 +820,10 @@ acpi_ps_get_next_arg(struct acpi_walk_state *walk_state, acpi_ps_get_next_namepath(walk_state, parser_state, arg, ACPI_NOT_METHOD_CALL); + if (ACPI_FAILURE(status)) { + acpi_ps_free_op(arg); + return_ACPI_STATUS(status); + } } else { /* Single complex argument, nothing returned */ @@ -854,6 +858,10 @@ acpi_ps_get_next_arg(struct acpi_walk_state *walk_state, acpi_ps_get_next_namepath(walk_state, parser_state, arg, ACPI_POSSIBLE_METHOD_CALL); + if (ACPI_FAILURE(status)) { + acpi_ps_free_op(arg); + return_ACPI_STATUS(status); + } if (arg->common.aml_opcode == AML_INT_METHODCALL_OP) { -- 2.43.0
