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iommu: Suppress empty whitespaces in prints

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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@gmail.com>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Link: https://lore.kernel.org/r/20230509191049.1752259-1-f.fainelli@gmail.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
This commit is contained in:
Florian Fainelli 2023-05-09 12:10:48 -07:00 committed by Joerg Roedel
parent a4fdd97622
commit 32261d1094
1 changed files with 4 additions and 4 deletions
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8
drivers/iommu/iommu.c
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@ -176,16 +176,16 @@ static int __init iommu_subsys_init(void)
if (!iommu_default_passthrough() && !iommu_dma_strict) if (!iommu_default_passthrough() && !iommu_dma_strict)
iommu_def_domain_type = IOMMU_DOMAIN_DMA_FQ; 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_domain_type_str(iommu_def_domain_type),
(iommu_cmd_line & IOMMU_CMD_LINE_DMA_API) ? (iommu_cmd_line & IOMMU_CMD_LINE_DMA_API) ?
"(set via kernel command line)" : ""); " (set via kernel command line)" : "");
if (!iommu_default_passthrough()) 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_dma_strict ? "strict" : "lazy",
(iommu_cmd_line & IOMMU_CMD_LINE_STRICT) ? (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); nb = kcalloc(ARRAY_SIZE(iommu_buses), sizeof(*nb), GFP_KERNEL);
if (!nb) if (!nb)