linux-kernel - [GIT PULL] SCSI fixes for 5.17-rc8

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Message-ID: <2a71975c2888f30ddebff8aa509933bc87c1a552.camel@HansenPartnership.com>
Date:   Sat, 19 Mar 2022 15:45:47 -0400
From:   James Bottomley <James.Bottomley@...senPartnership.com>
To:     Andrew Morton <akpm@...ux-foundation.org>,
        Linus Torvalds <torvalds@...ux-foundation.org>
Cc:     linux-scsi <linux-scsi@...r.kernel.org>,
        linux-kernel <linux-kernel@...r.kernel.org>
Subject: [GIT PULL] SCSI fixes for 5.17-rc8

Two small(ish) fixes, both in drivers.

The patch is available here:

git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi.git scsi-fixes

The short changelog is:

David Jeffery (1):
      scsi: fnic: Finish scsi_cmnd before dropping the spinlock

Matt Lupfer (1):
      scsi: mpt3sas: Page fault in reply q processing

And the diffstat

 drivers/scsi/fnic/fnic_scsi.c       | 13 ++++++-------
 drivers/scsi/mpt3sas/mpt3sas_base.c |  5 +++--
 2 files changed, 9 insertions(+), 9 deletions(-)

With full diff below.

James

---

diff --git a/drivers/scsi/fnic/fnic_scsi.c b/drivers/scsi/fnic/fnic_scsi.c
index 88c549f257db..40a52feb315d 100644
--- a/drivers/scsi/fnic/fnic_scsi.c
+++ b/drivers/scsi/fnic/fnic_scsi.c
@@ -986,8 +986,6 @@ static void fnic_fcpio_icmnd_cmpl_handler(struct fnic *fnic,
 	CMD_SP(sc) = NULL;
 	CMD_FLAGS(sc) |= FNIC_IO_DONE;
 
-	spin_unlock_irqrestore(io_lock, flags);
-
 	if (hdr_status != FCPIO_SUCCESS) {
 		atomic64_inc(&fnic_stats->io_stats.io_failures);
 		shost_printk(KERN_ERR, fnic->lport->host, "hdr status = %s\n",
@@ -996,8 +994,6 @@ static void fnic_fcpio_icmnd_cmpl_handler(struct fnic *fnic,
 
 	fnic_release_ioreq_buf(fnic, io_req, sc);
 
-	mempool_free(io_req, fnic->io_req_pool);
-
 	cmd_trace = ((u64)hdr_status << 56) |
 		  (u64)icmnd_cmpl->scsi_status << 48 |
 		  (u64)icmnd_cmpl->flags << 40 | (u64)sc->cmnd[0] << 32 |
@@ -1021,6 +1017,12 @@ static void fnic_fcpio_icmnd_cmpl_handler(struct fnic *fnic,
 	} else
 		fnic->lport->host_stats.fcp_control_requests++;
 
+	/* Call SCSI completion function to complete the IO */
+	scsi_done(sc);
+	spin_unlock_irqrestore(io_lock, flags);
+
+	mempool_free(io_req, fnic->io_req_pool);
+
 	atomic64_dec(&fnic_stats->io_stats.active_ios);
 	if (atomic64_read(&fnic->io_cmpl_skip))
 		atomic64_dec(&fnic->io_cmpl_skip);
@@ -1049,9 +1051,6 @@ static void fnic_fcpio_icmnd_cmpl_handler(struct fnic *fnic,
 		if(io_duration_time > atomic64_read(&fnic_stats->io_stats.current_max_io_time))
 			atomic64_set(&fnic_stats->io_stats.current_max_io_time, io_duration_time);
 	}
-
-	/* Call SCSI completion function to complete the IO */
-	scsi_done(sc);
 }
 
 /* fnic_fcpio_itmf_cmpl_handler
diff --git a/drivers/scsi/mpt3sas/mpt3sas_base.c b/drivers/scsi/mpt3sas/mpt3sas_base.c
index 511726f92d9a..76229b839560 100644
--- a/drivers/scsi/mpt3sas/mpt3sas_base.c
+++ b/drivers/scsi/mpt3sas/mpt3sas_base.c
@@ -2011,9 +2011,10 @@ mpt3sas_base_sync_reply_irqs(struct MPT3SAS_ADAPTER *ioc, u8 poll)
 				enable_irq(reply_q->os_irq);
 			}
 		}
+
+		if (poll)
+			_base_process_reply_queue(reply_q);
 	}
-	if (poll)
-		_base_process_reply_queue(reply_q);
 }
 
 /**