linux-kernel - [PATCH 5.4 213/222] scsi: lpfc: Fix a kernel warning triggered by lpfc_get_sgl_per

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Message-Id: <20200122092848.944976380@linuxfoundation.org>
Date:   Wed, 22 Jan 2020 10:29:59 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Bart Van Assche <bvanassche@....org>,
        James Smart <james.smart@...adcom.com>,
        "Martin K. Petersen" <martin.petersen@...cle.com>
Subject: [PATCH 5.4 213/222] scsi: lpfc: Fix a kernel warning triggered by lpfc_get_sgl_per_hdwq()

From: Bart Van Assche <bvanassche@....org>

commit 765ab6cdac3b681952da0e22184bf6cf1ae41cf8 upstream.

Fix the following kernel bug report:

BUG: using smp_processor_id() in preemptible [00000000] code: systemd-udevd/954

Fixes: d79c9e9d4b3d ("scsi: lpfc: Support dynamic unbounded SGL lists on G7 hardware.")
Link: https://lore.kernel.org/r/20191107052158.25788-2-bvanassche@acm.org
Signed-off-by: Bart Van Assche <bvanassche@....org>
Reviewed-by: James Smart <james.smart@...adcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@...cle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/scsi/lpfc/lpfc_sli.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

--- a/drivers/scsi/lpfc/lpfc_sli.c
+++ b/drivers/scsi/lpfc/lpfc_sli.c
@@ -20430,7 +20430,7 @@ lpfc_get_sgl_per_hdwq(struct lpfc_hba *p
 		/* allocate more */
 		spin_unlock_irqrestore(&hdwq->hdwq_lock, iflags);
 		tmp = kmalloc_node(sizeof(*tmp), GFP_ATOMIC,
-				   cpu_to_node(smp_processor_id()));
+				   cpu_to_node(raw_smp_processor_id()));
 		if (!tmp) {
 			lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
 					"8353 error kmalloc memory for HDWQ "
@@ -20573,7 +20573,7 @@ lpfc_get_cmd_rsp_buf_per_hdwq(struct lpf
 		/* allocate more */
 		spin_unlock_irqrestore(&hdwq->hdwq_lock, iflags);
 		tmp = kmalloc_node(sizeof(*tmp), GFP_ATOMIC,
-				   cpu_to_node(smp_processor_id()));
+				   cpu_to_node(raw_smp_processor_id()));
 		if (!tmp) {
 			lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
 					"8355 error kmalloc memory for HDWQ "