diff options
Diffstat (limited to 'drivers/scsi/smartpqi/smartpqi_init.c')
| -rw-r--r-- | drivers/scsi/smartpqi/smartpqi_init.c | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/drivers/scsi/smartpqi/smartpqi_init.c b/drivers/scsi/smartpqi/smartpqi_init.c index a6cb49b8e5d0..9801606dadfa 100644 --- a/drivers/scsi/smartpqi/smartpqi_init.c +++ b/drivers/scsi/smartpqi/smartpqi_init.c @@ -2236,18 +2236,20 @@ static void pqi_remove_all_scsi_devices(struct pqi_ctrl_info *ctrl_info) static int pqi_scan_scsi_devices(struct pqi_ctrl_info *ctrl_info) { - int rc; + int rc = 0; if (pqi_ctrl_offline(ctrl_info)) return -ENXIO; - mutex_lock(&ctrl_info->scan_mutex); - - rc = pqi_update_scsi_devices(ctrl_info); - if (rc) + if (!mutex_trylock(&ctrl_info->scan_mutex)) { pqi_schedule_rescan_worker_delayed(ctrl_info); - mutex_unlock(&ctrl_info->scan_mutex); + } else { + rc = pqi_update_scsi_devices(ctrl_info); + if (rc) + pqi_schedule_rescan_worker_delayed(ctrl_info); + mutex_unlock(&ctrl_info->scan_mutex); + } return rc; } |