diff mbox series

[2/4] mpt3sas: Fix trace buffer registration failed

Message ID 20220801124144.11458-3-sreekanth.reddy@broadcom.com
State Superseded
Headers show
Series mpt3sas: Few enhancements and fixes | expand

Commit Message

Sreekanth Reddy Aug. 1, 2022, 12:41 p.m. UTC 
The ExtendedType field was set to one in the diag buffer
register command and hence MPT Endpoint firmware is
failing the request with Invalid Field IOCStatus.

So, memset the request frame to zero before framing the
diag buffer register command.

Signed-off-by: Sreekanth Reddy <sreekanth.reddy@broadcom.com>
---
 drivers/scsi/mpt3sas/mpt3sas_ctl.c | 4 ++++
 1 file changed, 4 insertions(+)
diff mbox series

Patch

diff --git a/drivers/scsi/mpt3sas/mpt3sas_ctl.c b/drivers/scsi/mpt3sas/mpt3sas_ctl.c
index 84c87c2..df00deb 100644
--- a/drivers/scsi/mpt3sas/mpt3sas_ctl.c
+++ b/drivers/scsi/mpt3sas/mpt3sas_ctl.c
@@ -1686,6 +1686,7 @@  _ctl_diag_register_2(struct MPT3SAS_ADAPTER *ioc,
 	ioc->ctl_cmds.status = MPT3_CMD_PENDING;
 	memset(ioc->ctl_cmds.reply, 0, ioc->reply_sz);
 	mpi_request = mpt3sas_base_get_msg_frame(ioc, smid);
+	memset(mpi_request, 0, ioc->request_sz);
 	ioc->ctl_cmds.smid = smid;
 
 	request_data = ioc->diag_buffer[buffer_type];
@@ -1787,6 +1788,7 @@  _ctl_diag_register_2(struct MPT3SAS_ADAPTER *ioc,
 	if (rc && request_data) {
 		dma_free_coherent(&ioc->pdev->dev, request_data_sz,
 		    request_data, request_data_dma);
+		ioc->diag_buffer[buffer_type] = NULL;
 		ioc->diag_buffer_status[buffer_type] &=
 		    ~MPT3_DIAG_BUFFER_IS_DRIVER_ALLOCATED;
 	}
@@ -2163,6 +2165,7 @@  mpt3sas_send_diag_release(struct MPT3SAS_ADAPTER *ioc, u8 buffer_type,
 	ioc->ctl_cmds.status = MPT3_CMD_PENDING;
 	memset(ioc->ctl_cmds.reply, 0, ioc->reply_sz);
 	mpi_request = mpt3sas_base_get_msg_frame(ioc, smid);
+	memset(mpi_request, 0, ioc->request_sz);
 	ioc->ctl_cmds.smid = smid;
 
 	mpi_request->Function = MPI2_FUNCTION_DIAG_RELEASE;
@@ -2417,6 +2420,7 @@  _ctl_diag_read_buffer(struct MPT3SAS_ADAPTER *ioc, void __user *arg)
 	ioc->ctl_cmds.status = MPT3_CMD_PENDING;
 	memset(ioc->ctl_cmds.reply, 0, ioc->reply_sz);
 	mpi_request = mpt3sas_base_get_msg_frame(ioc, smid);
+	memset(mpi_request, 0, ioc->request_sz);
 	ioc->ctl_cmds.smid = smid;
 
 	mpi_request->Function = MPI2_FUNCTION_DIAG_BUFFER_POST;