linux-kernel - [PATCH] iommu: Suppress empty whitespaces in prints

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Date:   Tue,  9 May 2023 12:10:48 -0700
From:   Florian Fainelli <f.fainelli@...il.com>
To:     iommu@...ts.linux.dev
Cc:     linux-kernel@...r.kernel.org,
        Florian Fainelli <f.fainelli@...il.com>,
        Joerg Roedel <joro@...tes.org>, Will Deacon <will@...nel.org>,
        Robin Murphy <robin.murphy@....com>
Subject: [PATCH] iommu: Suppress empty whitespaces in prints

If IOMMU_CMD_LINE_DMA_API or IOMMU_CMD_LINE_STRICT are not set in
iommu_cmd_line, we will be emitting a whitespace before the newline.

Signed-off-by: Florian Fainelli <f.fainelli@...il.com>
---
 drivers/iommu/iommu.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c
index f1dcfa3f1a1b..0dd6ed6bec47 100644
--- a/drivers/iommu/iommu.c
+++ b/drivers/iommu/iommu.c
@@ -176,16 +176,16 @@ static int __init iommu_subsys_init(void)
 	if (!iommu_default_passthrough() && !iommu_dma_strict)
 		iommu_def_domain_type = IOMMU_DOMAIN_DMA_FQ;
 
-	pr_info("Default domain type: %s %s\n",
+	pr_info("Default domain type: %s%s\n",
 		iommu_domain_type_str(iommu_def_domain_type),
 		(iommu_cmd_line & IOMMU_CMD_LINE_DMA_API) ?
-			"(set via kernel command line)" : "");
+			" (set via kernel command line)" : "");
 
 	if (!iommu_default_passthrough())
-		pr_info("DMA domain TLB invalidation policy: %s mode %s\n",
+		pr_info("DMA domain TLB invalidation policy: %s mode%s\n",
 			iommu_dma_strict ? "strict" : "lazy",
 			(iommu_cmd_line & IOMMU_CMD_LINE_STRICT) ?
-				"(set via kernel command line)" : "");
+				" (set via kernel command line)" : "");
 
 	nb = kcalloc(ARRAY_SIZE(iommu_buses), sizeof(*nb), GFP_KERNEL);
 	if (!nb)
-- 
2.34.1