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scsi: mpi3mr: Block PEL Enable Command on Controller Reset and Unrecoverable State

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commit f8fb3f39148e8010479e4b2003ba4728818ec661 upstream.

If a controller reset is underway or the controller is in an unrecoverable
state, the PEL enable management command will be returned as EAGAIN or
EFAULT.

Cc: <stable@vger.kernel.org> # v6.1+
Co-developed-by: Sathya Prakash <sathya.prakash@broadcom.com>
Signed-off-by: Sathya Prakash <sathya.prakash@broadcom.com>
Signed-off-by: Chandrakanth patil <chandrakanth.patil@broadcom.com>
Link: https://lore.kernel.org/r/20231126053134.10133-4-chandrakanth.patil@broadcom.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Chandrakanth patil 2023-11-26 11:01:33 +05:30 committed by Greg Kroah-Hartman
parent 546e981eea
commit f49a30a24f
1 changed files with 16 additions and 0 deletions
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16
drivers/scsi/mpi3mr/mpi3mr_app.c
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@ -223,6 +223,22 @@ static long mpi3mr_bsg_pel_enable(struct mpi3mr_ioc *mrioc,
return rval;
}
if (mrioc->unrecoverable) {
dprint_bsg_err(mrioc, "%s: unrecoverable controller\n",
__func__);
return -EFAULT;
}
if (mrioc->reset_in_progress) {
dprint_bsg_err(mrioc, "%s: reset in progress\n", __func__);
return -EAGAIN;
}
if (mrioc->stop_bsgs) {
dprint_bsg_err(mrioc, "%s: bsgs are blocked\n", __func__);
return -EAGAIN;
}
sg_copy_to_buffer(job->request_payload.sg_list,
job->request_payload.sg_cnt,
&pel_enable, sizeof(pel_enable));