[PATCH] iommu: Suppress empty whitespaces in prints

From: Florian Fainelli
Date: Tue May 09 2023 - 15:11:42 EST


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@xxxxxxxxx>
---
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