diff options
| author | Raghava Aditya Renukunta <RaghavaAditya.Renukunta@microsemi.com> | 2017-12-26 20:34:44 -0800 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2018-01-03 23:26:43 -0500 |
| commit | 3395614e48e26c6b05f87662ef354bca38999d2a (patch) | |
| tree | 6ecab574a9c3bf09368a3299d9e976615b203603 /drivers/scsi/aacraid/commsup.c | |
| parent | 6f44a22b2c96acd018b407ee28407e1730370169 (diff) | |
scsi: aacraid: Block concurrent hotplug event handling
Currently driver will attempt to process hotplug events concurrently based
on the FW interrupt.
Protect safw update function with a scan mutex.
Signed-off-by: Raghava Aditya Renukunta <RaghavaAditya.Renukunta@microsemi.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/aacraid/commsup.c')
| -rw-r--r-- | drivers/scsi/aacraid/commsup.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/scsi/aacraid/commsup.c b/drivers/scsi/aacraid/commsup.c index 34155b1aa83e..491e6338c483 100644 --- a/drivers/scsi/aacraid/commsup.c +++ b/drivers/scsi/aacraid/commsup.c @@ -1997,7 +1997,9 @@ static void aac_handle_sa_aif(struct aac_dev *dev, struct fib *fibptr) case SA_AIF_LDEV_CHANGE: case SA_AIF_BPCFG_CHANGE: + mutex_lock(&dev->scan_mutex); aac_update_safw_host_devices(dev, AAC_RESCAN); + mutex_unlock(&dev->scan_mutex); break; case SA_AIF_BPSTAT_CHANGE: |