From: Balsundar P <balsundar.p@xxxxxxxxxxxxx>
Currently driver waits for the command IOCTL from the firmware
and if the firmware enters nonresponsive state, the driver doesn't
respond till the firmware is responsive again
Signed-off-by: Balsundar P <balsundar.p@xxxxxxxxxxxxx>
---
drivers/scsi/aacraid/linit.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/scsi/aacraid/linit.c b/drivers/scsi/aacraid/linit.c
index acc0250a4b62..2055307f4f3d 100644
--- a/drivers/scsi/aacraid/linit.c
+++ b/drivers/scsi/aacraid/linit.c
@@ -613,9 +613,13 @@ static struct device_attribute *aac_dev_attrs[] = {
static int aac_ioctl(struct scsi_device *sdev, unsigned int cmd,
void __user *arg)
{
+ int retval;
struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
if (!capable(CAP_SYS_RAWIO))
return -EPERM;
+ retval = aac_adapter_check_health(dev);
+ if (retval)
+ return -EBUSY;
return aac_do_ioctl(dev, cmd, arg);
}
--
2.18.1
