diff options
Diffstat (limited to 'drivers/bluetooth/btintel.c')
| -rw-r--r-- | drivers/bluetooth/btintel.c | 10 |
1 files changed, 2 insertions, 8 deletions
diff --git a/drivers/bluetooth/btintel.c b/drivers/bluetooth/btintel.c index 645047fb92fd..51d6d91ed404 100644 --- a/drivers/bluetooth/btintel.c +++ b/drivers/bluetooth/btintel.c @@ -2705,7 +2705,7 @@ static int btintel_uefi_get_dsbr(u32 *dsbr_var) } __packed data; efi_status_t status; - unsigned long data_size = 0; + unsigned long data_size = sizeof(data); efi_guid_t guid = EFI_GUID(0xe65d8884, 0xd4af, 0x4b20, 0x8d, 0x03, 0x77, 0x2e, 0xcc, 0x3d, 0xa5, 0x31); @@ -2716,15 +2716,9 @@ static int btintel_uefi_get_dsbr(u32 *dsbr_var) return -EOPNOTSUPP; status = efi.get_variable(BTINTEL_EFI_DSBR, &guid, NULL, &data_size, - NULL); - - if (status != EFI_BUFFER_TOO_SMALL || !data_size) - return -EIO; - - status = efi.get_variable(BTINTEL_EFI_DSBR, &guid, NULL, &data_size, &data); - if (status != EFI_SUCCESS) + if (status != EFI_SUCCESS || data_size != sizeof(data)) return -ENXIO; *dsbr_var = data.dsbr; |