linux-kernel - [PATCH 4.19 120/243] iommu/amd: Fix line-break in error log reporting

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Message-Id: <20191211150347.232612062@linuxfoundation.org>
Date:   Wed, 11 Dec 2019 16:04:42 +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, Joerg Roedel <jroedel@...e.de>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 4.19 120/243] iommu/amd: Fix line-break in error log reporting

From: Joerg Roedel <jroedel@...e.de>

[ Upstream commit 1a21ee1aabf7ff9484f2eb122476d80c7f60a620 ]

With the switch to dev_err for reporting errors from the
iommu log there was an unwanted newline introduced. The
reason was that the reporting was done in multiple dev_err()
calls, and dev_err adds a newline after every call.

Fix it by printing the log messages with only one dev_err()
call.

Signed-off-by: Joerg Roedel <jroedel@...e.de>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/iommu/amd_iommu.c | 22 ++++++++++------------
 1 file changed, 10 insertions(+), 12 deletions(-)

diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c
index fe18804a50083..9991386fb7000 100644
--- a/drivers/iommu/amd_iommu.c
+++ b/drivers/iommu/amd_iommu.c
@@ -549,7 +549,7 @@ static void amd_iommu_report_page_fault(u16 devid, u16 domain_id,
 		dev_data = get_dev_data(&pdev->dev);
 
 	if (dev_data && __ratelimit(&dev_data->rs)) {
-		dev_err(&pdev->dev, "AMD-Vi: Event logged [IO_PAGE_FAULT domain=0x%04x address=0x%016llx flags=0x%04x]\n",
+		dev_err(&pdev->dev, "Event logged [IO_PAGE_FAULT domain=0x%04x address=0x%016llx flags=0x%04x]\n",
 			domain_id, address, flags);
 	} else if (printk_ratelimit()) {
 		pr_err("AMD-Vi: Event logged [IO_PAGE_FAULT device=%02x:%02x.%x domain=0x%04x address=0x%016llx flags=0x%04x]\n",
@@ -589,43 +589,41 @@ retry:
 	if (type == EVENT_TYPE_IO_FAULT) {
 		amd_iommu_report_page_fault(devid, pasid, address, flags);
 		return;
-	} else {
-		dev_err(dev, "AMD-Vi: Event logged [");
 	}
 
 	switch (type) {
 	case EVENT_TYPE_ILL_DEV:
-		dev_err(dev, "ILLEGAL_DEV_TABLE_ENTRY device=%02x:%02x.%x pasid=0x%05x address=0x%016llx flags=0x%04x]\n",
+		dev_err(dev, "Event logged [ILLEGAL_DEV_TABLE_ENTRY device=%02x:%02x.%x pasid=0x%05x address=0x%016llx flags=0x%04x]\n",
 			PCI_BUS_NUM(devid), PCI_SLOT(devid), PCI_FUNC(devid),
 			pasid, address, flags);
 		dump_dte_entry(devid);
 		break;
 	case EVENT_TYPE_DEV_TAB_ERR:
-		dev_err(dev, "DEV_TAB_HARDWARE_ERROR device=%02x:%02x.%x "
+		dev_err(dev, "Event logged [DEV_TAB_HARDWARE_ERROR device=%02x:%02x.%x "
 			"address=0x%016llx flags=0x%04x]\n",
 			PCI_BUS_NUM(devid), PCI_SLOT(devid), PCI_FUNC(devid),
 			address, flags);
 		break;
 	case EVENT_TYPE_PAGE_TAB_ERR:
-		dev_err(dev, "PAGE_TAB_HARDWARE_ERROR device=%02x:%02x.%x domain=0x%04x address=0x%016llx flags=0x%04x]\n",
+		dev_err(dev, "Event logged [PAGE_TAB_HARDWARE_ERROR device=%02x:%02x.%x domain=0x%04x address=0x%016llx flags=0x%04x]\n",
 			PCI_BUS_NUM(devid), PCI_SLOT(devid), PCI_FUNC(devid),
 			pasid, address, flags);
 		break;
 	case EVENT_TYPE_ILL_CMD:
-		dev_err(dev, "ILLEGAL_COMMAND_ERROR address=0x%016llx]\n", address);
+		dev_err(dev, "Event logged [ILLEGAL_COMMAND_ERROR address=0x%016llx]\n", address);
 		dump_command(address);
 		break;
 	case EVENT_TYPE_CMD_HARD_ERR:
-		dev_err(dev, "COMMAND_HARDWARE_ERROR address=0x%016llx flags=0x%04x]\n",
+		dev_err(dev, "Event logged [COMMAND_HARDWARE_ERROR address=0x%016llx flags=0x%04x]\n",
 			address, flags);
 		break;
 	case EVENT_TYPE_IOTLB_INV_TO:
-		dev_err(dev, "IOTLB_INV_TIMEOUT device=%02x:%02x.%x address=0x%016llx]\n",
+		dev_err(dev, "Event logged [IOTLB_INV_TIMEOUT device=%02x:%02x.%x address=0x%016llx]\n",
 			PCI_BUS_NUM(devid), PCI_SLOT(devid), PCI_FUNC(devid),
 			address);
 		break;
 	case EVENT_TYPE_INV_DEV_REQ:
-		dev_err(dev, "INVALID_DEVICE_REQUEST device=%02x:%02x.%x pasid=0x%05x address=0x%016llx flags=0x%04x]\n",
+		dev_err(dev, "Event logged [INVALID_DEVICE_REQUEST device=%02x:%02x.%x pasid=0x%05x address=0x%016llx flags=0x%04x]\n",
 			PCI_BUS_NUM(devid), PCI_SLOT(devid), PCI_FUNC(devid),
 			pasid, address, flags);
 		break;
@@ -633,12 +631,12 @@ retry:
 		pasid = ((event[0] >> 16) & 0xFFFF)
 			| ((event[1] << 6) & 0xF0000);
 		tag = event[1] & 0x03FF;
-		dev_err(dev, "INVALID_PPR_REQUEST device=%02x:%02x.%x pasid=0x%05x address=0x%016llx flags=0x%04x]\n",
+		dev_err(dev, "Event logged [INVALID_PPR_REQUEST device=%02x:%02x.%x pasid=0x%05x address=0x%016llx flags=0x%04x]\n",
 			PCI_BUS_NUM(devid), PCI_SLOT(devid), PCI_FUNC(devid),
 			pasid, address, flags);
 		break;
 	default:
-		dev_err(dev, "UNKNOWN event[0]=0x%08x event[1]=0x%08x event[2]=0x%08x event[3]=0x%08x\n",
+		dev_err(dev, "Event logged [UNKNOWN event[0]=0x%08x event[1]=0x%08x event[2]=0x%08x event[3]=0x%08x\n",
 			event[0], event[1], event[2], event[3]);
 	}
 
-- 
2.20.1