diff options
Diffstat (limited to 'drivers/acpi/scan.c')
| -rw-r--r-- | drivers/acpi/scan.c | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c index dfdbcfdd9de..8cacc16af6e 100644 --- a/drivers/acpi/scan.c +++ b/drivers/acpi/scan.c @@ -127,6 +127,7 @@ static int acpi_scan_hot_remove(struct acpi_device *device) struct acpi_object_list arg_list; union acpi_object arg; acpi_status status; + unsigned long long sta; /* If there is no handle, the device node has been unregistered. */ if (!handle) { @@ -164,10 +165,25 @@ static int acpi_scan_hot_remove(struct acpi_device *device) if (status == AE_NOT_FOUND) { return -ENODEV; } else { - acpi_handle_warn(handle, "Eject failed\n"); + acpi_handle_warn(handle, "Eject failed (0x%x)\n", + status); return -EIO; } } + + /* + * Verify if eject was indeed successful. If not, log an error + * message. No need to call _OST since _EJ0 call was made OK. + */ + status = acpi_evaluate_integer(handle, "_STA", NULL, &sta); + if (ACPI_FAILURE(status)) { + acpi_handle_warn(handle, + "Status check after eject failed (0x%x)\n", status); + } else if (sta & ACPI_STA_DEVICE_ENABLED) { + acpi_handle_warn(handle, + "Eject incomplete - status 0x%llx\n", sta); + } + return 0; } |