[SCSI] mpt2sas: Call init_completion on a per request basis.
Now driver call init_completion on a per request basis. At some
point the wait_for_completion_timeout is not waiting for the timeout,
instead returning immediately, thus going into diag reset. This fix will
address all request using the wait_for_completion_timeout API. The previous
implimentation was only calling init_completion at driver
load time.
Signed-off-by: Kashyap Desai <kashyap.desai@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
diff --git a/drivers/scsi/mpt2sas/mpt2sas_ctl.c b/drivers/scsi/mpt2sas/mpt2sas_ctl.c
index 33463ac..57d7246 100644
--- a/drivers/scsi/mpt2sas/mpt2sas_ctl.c
+++ b/drivers/scsi/mpt2sas/mpt2sas_ctl.c
@@ -812,6 +812,7 @@
timeout = MPT2_IOCTL_DEFAULT_TIMEOUT;
else
timeout = karg.timeout;
+ init_completion(&ioc->ctl_cmds.done);
timeleft = wait_for_completion_timeout(&ioc->ctl_cmds.done,
timeout*HZ);
if (mpi_request->Function == MPI2_FUNCTION_SCSI_TASK_MGMT) {
@@ -1388,6 +1389,7 @@
cpu_to_le32(ioc->product_specific[buffer_type][i]);
mpt2sas_base_put_smid_default(ioc, smid);
+ init_completion(&ioc->ctl_cmds.done);
timeleft = wait_for_completion_timeout(&ioc->ctl_cmds.done,
MPT2_IOCTL_DEFAULT_TIMEOUT*HZ);
@@ -1654,6 +1656,7 @@
mpi_request->VP_ID = 0;
mpt2sas_base_put_smid_default(ioc, smid);
+ init_completion(&ioc->ctl_cmds.done);
timeleft = wait_for_completion_timeout(&ioc->ctl_cmds.done,
MPT2_IOCTL_DEFAULT_TIMEOUT*HZ);
@@ -1915,6 +1918,7 @@
mpi_request->VP_ID = 0;
mpt2sas_base_put_smid_default(ioc, smid);
+ init_completion(&ioc->ctl_cmds.done);
timeleft = wait_for_completion_timeout(&ioc->ctl_cmds.done,
MPT2_IOCTL_DEFAULT_TIMEOUT*HZ);