[PATCH 4.9 064/172] scsi: lpfc: Set elsiocb contexts to NULL after freeing it

From	Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Newsgroups	linux.kernel
Subject	[PATCH 4.9 064/172] scsi: lpfc: Set elsiocb contexts to NULL after freeing it
Date	2017-07-03 15:50 +0200
Message-ID	<tZ9TI-2c1-27@gated-at.bofh.it> (permalink)
References	<tZ9TH-2c1-9@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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4.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Johannes Thumshirn <jthumshirn@suse.de>


[ Upstream commit 8667f515952feefebb3c0f8d9a9266c91b101a46 ]

Set the elsiocb contexts to NULL after freeing as others depend on it.

Signed-off-by: Johannes Thumshirn <jthumshirn@suse.de>
Acked-by: Dick Kennedy <dick.kennedy@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/scsi/lpfc/lpfc_els.c |    2 ++
 1 file changed, 2 insertions(+)

--- a/drivers/scsi/lpfc/lpfc_els.c
+++ b/drivers/scsi/lpfc/lpfc_els.c
@@ -3590,12 +3590,14 @@ lpfc_els_free_iocb(struct lpfc_hba *phba
 		} else {
 			buf_ptr1 = (struct lpfc_dmabuf *) elsiocb->context2;
 			lpfc_els_free_data(phba, buf_ptr1);
+			elsiocb->context2 = NULL;
 		}
 	}
 
 	if (elsiocb->context3) {
 		buf_ptr = (struct lpfc_dmabuf *) elsiocb->context3;
 		lpfc_els_free_bpl(phba, buf_ptr);
+		elsiocb->context3 = NULL;
 	}
 	lpfc_sli_release_iocbq(phba, elsiocb);
 	return 0;

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[PATCH 4.9 064/172] scsi: lpfc: Set elsiocb contexts to NULL after freeing it Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-07-03 15:50 +0200

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