diff options
Diffstat (limited to 'drivers/scsi/scsi_dh.c')
| -rw-r--r-- | drivers/scsi/scsi_dh.c | 17 |
1 files changed, 14 insertions, 3 deletions
diff --git a/drivers/scsi/scsi_dh.c b/drivers/scsi/scsi_dh.c index 84addee05be6..ac798d284a7e 100644 --- a/drivers/scsi/scsi_dh.c +++ b/drivers/scsi/scsi_dh.c @@ -126,20 +126,31 @@ static struct scsi_device_handler *scsi_dh_lookup(const char *name) static int scsi_dh_handler_attach(struct scsi_device *sdev, struct scsi_device_handler *scsi_dh) { - int error; + int error, ret = 0; if (!try_module_get(scsi_dh->module)) return -EINVAL; error = scsi_dh->attach(sdev); - if (error) { + if (error != SCSI_DH_OK) { + switch (error) { + case SCSI_DH_NOMEM: + ret = -ENOMEM; + break; + case SCSI_DH_RES_TEMP_UNAVAIL: + ret = -EAGAIN; + break; + default: + ret = -EINVAL; + break; + } sdev_printk(KERN_ERR, sdev, "%s: Attach failed (%d)\n", scsi_dh->name, error); module_put(scsi_dh->module); } else sdev->handler = scsi_dh; - return error; + return ret; } /* |