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Date: Tue, 12 Mar 2019 10:07:41 -0700 From: Greg Kroah-Hartman <gregkh@...uxfoundation.org> To: linux-kernel@...r.kernel.org Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>, stable@...r.kernel.org, Dan Carpenter <dan.carpenter@...cle.com>, "Martin K. Petersen" <martin.petersen@...cle.com>, Sasha Levin <sashal@...nel.org> Subject: [PATCH 4.19 043/149] scsi: 53c700: pass correct "dev" to dma_alloc_attrs() 4.19-stable review patch. If anyone has any objections, please let me know. ------------------ [ Upstream commit 8437fcf14deed67e5ad90b5e8abf62fb20f30881 ] The "hostdata->dev" pointer is NULL here. We set "hostdata->dev = dev;" later in the function and we also use "hostdata->dev" when we call dma_free_attrs() in NCR_700_release(). This bug predates git version control. Signed-off-by: Dan Carpenter <dan.carpenter@...cle.com> Signed-off-by: Martin K. Petersen <martin.petersen@...cle.com> Signed-off-by: Sasha Levin <sashal@...nel.org> --- drivers/scsi/53c700.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/scsi/53c700.c b/drivers/scsi/53c700.c index 6be77b3aa8a5..ac79f2088b31 100644 --- a/drivers/scsi/53c700.c +++ b/drivers/scsi/53c700.c @@ -295,7 +295,7 @@ NCR_700_detect(struct scsi_host_template *tpnt, if(tpnt->sdev_attrs == NULL) tpnt->sdev_attrs = NCR_700_dev_attrs; - memory = dma_alloc_attrs(hostdata->dev, TOTAL_MEM_SIZE, &pScript, + memory = dma_alloc_attrs(dev, TOTAL_MEM_SIZE, &pScript, GFP_KERNEL, DMA_ATTR_NON_CONSISTENT); if(memory == NULL) { printk(KERN_ERR "53c700: Failed to allocate memory for driver, detaching\n"); -- 2.19.1
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