linux-kernel - [GIT PULL] SCSI fixes for 5.11-rc6

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Message-ID: <4694bcc43696d52e6a81c915c2215bc8022918fc.camel@HansenPartnership.com>
Date:   Sat, 06 Feb 2021 09:40:32 -0800
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 5.11-rc6

One fix in drivers (lpfc) that stops an oops on resource exhaustion.

The patch is available here:

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

The short changelog is:

James Smart (1):
      scsi: lpfc: Fix EEH encountering oops with NVMe traffic

And the diffstat:

 drivers/scsi/lpfc/lpfc_nvme.c | 3 +++
 1 file changed, 3 insertions(+)

With full diff below

James

---

diff --git a/drivers/scsi/lpfc/lpfc_nvme.c b/drivers/scsi/lpfc/lpfc_nvme.c
index 1cb82fa6a60e..39d147e251bf 100644
--- a/drivers/scsi/lpfc/lpfc_nvme.c
+++ b/drivers/scsi/lpfc/lpfc_nvme.c
@@ -559,6 +559,9 @@ __lpfc_nvme_ls_req(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
 		return -ENODEV;
 	}
 
+	if (!vport->phba->sli4_hba.nvmels_wq)
+		return -ENOMEM;
+
 	/*
 	 * there are two dma buf in the request, actually there is one and
 	 * the second one is just the start address + cmd size.