diff options
Diffstat (limited to 'drivers/acpi/apei/einj.c')
| -rw-r--r-- | drivers/acpi/apei/einj.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/acpi/apei/einj.c b/drivers/acpi/apei/einj.c index ab86b2f4e719..b4373e575660 100644 --- a/drivers/acpi/apei/einj.c +++ b/drivers/acpi/apei/einj.c @@ -616,6 +616,10 @@ static int error_type_set(void *data, u64 val) u32 available_error_type = 0; u32 tval, vendor; + /* Only low 32 bits for error type are valid */ + if (val & GENMASK_ULL(63, 32)) + return -EINVAL; + /* * Vendor defined types have 0x80000000 bit set, and * are not enumerated by ACPI_EINJ_GET_ERROR_TYPE |