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authorRaghava Aditya Renukunta <RaghavaAditya.Renukunta@microsemi.com>2017-12-26 20:34:44 -0800
committerMartin K. Petersen <martin.petersen@oracle.com>2018-01-03 23:26:43 -0500
commit3395614e48e26c6b05f87662ef354bca38999d2a (patch)
tree6ecab574a9c3bf09368a3299d9e976615b203603 /drivers/scsi/aacraid/linit.c
parent6f44a22b2c96acd018b407ee28407e1730370169 (diff)
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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/linit.c')
-rw-r--r--drivers/scsi/aacraid/linit.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/scsi/aacraid/linit.c b/drivers/scsi/aacraid/linit.c
index b2273e3cba62..2c862cd26a21 100644
--- a/drivers/scsi/aacraid/linit.c
+++ b/drivers/scsi/aacraid/linit.c
@@ -1683,6 +1683,7 @@ static int aac_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
spin_lock_init(&aac->fib_lock);
mutex_init(&aac->ioctl_mutex);
+ mutex_init(&aac->scan_mutex);
/*
* Map in the registers from the adapter.
*/