From dd180e4eedfd85b80020a6fd566601f4765a9d69 Mon Sep 17 00:00:00 2001 From: Sreekanth Reddy Date: Fri, 13 Sep 2019 09:04:43 -0400 Subject: [PATCH] scsi: mpt3sas: clear release bit when buffer reregistered 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. Link: https://lore.kernel.org/r/1568379890-18347-7-git-send-email-sreekanth.reddy@broadcom.com Signed-off-by: Sreekanth Reddy Signed-off-by: Martin K. Petersen --- drivers/scsi/mpt3sas/mpt3sas_ctl.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/scsi/mpt3sas/mpt3sas_ctl.c b/drivers/scsi/mpt3sas/mpt3sas_ctl.c index a14ff88db54b..504e035a90c4 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", -- 2.30.2