summaryrefslogtreecommitdiffstats
path: root/drivers/scsi/aacraid
diff options
context:
space:
mode:
authorRaghava Aditya Renukunta2017-12-27 05:34:27 +0100
committerMartin K. Petersen2018-01-04 05:26:41 +0100
commitd1471eb0faef9edd65cd44c1a3c1ff13c251fead (patch)
treea6b37dd966abf6799ce4d2c696d2b670f9688a02 /drivers/scsi/aacraid
parentscsi: aacraid: Fix ioctl reset hang (diff)
downloadkernel-qcow2-linux-d1471eb0faef9edd65cd44c1a3c1ff13c251fead.tar.gz
kernel-qcow2-linux-d1471eb0faef9edd65cd44c1a3c1ff13c251fead.tar.xz
kernel-qcow2-linux-d1471eb0faef9edd65cd44c1a3c1ff13c251fead.zip
scsi: aacraid: Allow reset_host sysfs var to recover Panicked Fw
It is possible to restart the controller via the use of the reset_host sysfs variable. This does work for controllers that can no longer respond, since driver will attempt to send down a shutdown in this path. Check if the controller is able to receive commands before sending down a shutdown 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')
-rw-r--r--drivers/scsi/aacraid/comminit.c13
1 files changed, 8 insertions, 5 deletions
diff --git a/drivers/scsi/aacraid/comminit.c b/drivers/scsi/aacraid/comminit.c
index 1bc623ad3faf..9eff246ba3a3 100644
--- a/drivers/scsi/aacraid/comminit.c
+++ b/drivers/scsi/aacraid/comminit.c
@@ -295,12 +295,10 @@ int aac_send_shutdown(struct aac_dev * dev)
{
struct fib * fibctx;
struct aac_close *cmd;
- int status;
+ int status = 0;
- fibctx = aac_fib_alloc(dev);
- if (!fibctx)
- return -ENOMEM;
- aac_fib_init(fibctx);
+ if (aac_adapter_check_health(dev))
+ return status;
if (!dev->adapter_shutdown) {
mutex_lock(&dev->ioctl_mutex);
@@ -308,6 +306,11 @@ int aac_send_shutdown(struct aac_dev * dev)
mutex_unlock(&dev->ioctl_mutex);
}
+ fibctx = aac_fib_alloc(dev);
+ if (!fibctx)
+ return -ENOMEM;
+ aac_fib_init(fibctx);
+
cmd = (struct aac_close *) fib_data(fibctx);
cmd->command = cpu_to_le32(VM_CloseAll);
cmd->cid = cpu_to_le32(0xfffffffe);