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| author | Bob Moore <robert.moore@intel.com> | 2008-04-10 19:06:37 +0400 |
|---|---|---|
| committer | Len Brown <len.brown@intel.com> | 2008-04-22 22:29:21 +0400 |
| commit | 4b6e16cf2bacbf328535097fa74f1494b1873c54 (patch) | |
| tree | 5b81427d81577d7741d3d17dcc928a770decdbe0 /drivers/acpi/executer/exoparg1.c | |
| parent | 4e3156b183aa087bc19804b3295c7c1a71f64752 (diff) | |
| download | linux-4b6e16cf2bacbf328535097fa74f1494b1873c54.tar.xz | |
ACPICA: Avoid use of invalid pointers in returned object field
During operand evaluation, ensure that the ReturnObj field is
cleared on error and only valid pointers are stored there.
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de>
Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'drivers/acpi/executer/exoparg1.c')
| -rw-r--r-- | drivers/acpi/executer/exoparg1.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/acpi/executer/exoparg1.c b/drivers/acpi/executer/exoparg1.c index 252f10acbbcc..ab5c03724527 100644 --- a/drivers/acpi/executer/exoparg1.c +++ b/drivers/acpi/executer/exoparg1.c @@ -121,6 +121,7 @@ acpi_status acpi_ex_opcode_0A_0T_1R(struct acpi_walk_state *walk_state) if ((ACPI_FAILURE(status)) || walk_state->result_obj) { acpi_ut_remove_reference(return_desc); + walk_state->result_obj = NULL; } else { /* Save the return value */ |