diff mbox series

[06/13] mpt3sas: clear release bit when buffer reregistered

Message ID 1568379890-18347-7-git-send-email-sreekanth.reddy@broadcom.com (mailing list archive)
State Accepted
Headers show
Series Enhancements w.r.t to diag buffer and few bug fixes | expand

Commit Message

Sreekanth Reddy Sept. 13, 2019, 1:04 p.m. UTC 
Clear MPT3_DIAG_BUFFER_IS_RELEASED bit once diag buffer is re-registered
after reading the buffer, else driver won't release the buffer and return
the ' diag release' command with -EINVAL status saying that buffer is
already released.

Signed-off-by: Sreekanth Reddy <sreekanth.reddy@broadcom.com>
---
 drivers/scsi/mpt3sas/mpt3sas_ctl.c | 2 ++
 1 file changed, 2 insertions(+)
diff mbox series

Patch

diff --git a/drivers/scsi/mpt3sas/mpt3sas_ctl.c b/drivers/scsi/mpt3sas/mpt3sas_ctl.c
index a14ff88..504e035 100644
--- a/drivers/scsi/mpt3sas/mpt3sas_ctl.c
+++ b/drivers/scsi/mpt3sas/mpt3sas_ctl.c
@@ -2367,6 +2367,8 @@  _ctl_diag_read_buffer(struct MPT3SAS_ADAPTER *ioc, void __user *arg)
 	if (ioc_status == MPI2_IOCSTATUS_SUCCESS) {
 		ioc->diag_buffer_status[buffer_type] |=
 		    MPT3_DIAG_BUFFER_IS_REGISTERED;
+		ioc->diag_buffer_status[buffer_type] &=
+		    ~MPT3_DIAG_BUFFER_IS_RELEASED;
 		dctlprintk(ioc, ioc_info(ioc, "%s: success\n", __func__));
 	} else {
 		ioc_info(ioc, "%s: ioc_status(0x%04x) log_info(0x%08x)\n",