xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

scsi: aacraid: Block concurrent hotplug event handling

Browse Source 
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>
This commit is contained in:
Raghava Aditya Renukunta
2017-12-26 20:34:44 -08:00
committed by Martin K. Petersen
parent 6f44a22b2c
commit 3395614e48
3 changed files with 4 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/scsi/aacraid/commsup.c
View File

@@ -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: