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scsi: mpt3sas: clear release bit when buffer reregistered

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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 <sreekanth.reddy@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Sreekanth Reddy 2019-09-13 09:04:43 -04:00 committed by Martin K. Petersen
parent 08e7378ee3
commit dd180e4eed
1 changed files with 2 additions and 0 deletions
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drivers/scsi/mpt3sas/mpt3sas_ctl.c
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@ -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",