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Commit 5aba6c47 authored by Andy Shevchenko's avatar Andy Shevchenko Committed by Joerg Roedel
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iommu/vt-d: Switch to bitmap_zalloc() 



Switch to bitmap_zalloc() to show clearly what we are allocating.
Besides that it returns pointer of bitmap type instead of opaque void *.

Signed-off-by: default avatarAndy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: default avatarJoerg Roedel <jroedel@suse.de>
parent 9e98c678

drivers/iommu/intel_irq_remapping.c

+3 −4
Original line number Diff line number Diff line
@@ -548,8 +548,7 @@ static int intel_setup_irq_remapping(struct intel_iommu *iommu) 
		goto out_free_table;

	}



	bitmap = kcalloc(BITS_TO_LONGS(INTR_REMAP_TABLE_ENTRIES),

			 sizeof(long), GFP_ATOMIC);

	bitmap = bitmap_zalloc(INTR_REMAP_TABLE_ENTRIES, GFP_ATOMIC);

	if (bitmap == NULL) {

		pr_err("IR%d: failed to allocate bitmap\n", iommu->seq_id);

		goto out_free_pages;
@@ -616,7 +615,7 @@ static int intel_setup_irq_remapping(struct intel_iommu *iommu) 
	return 0;



out_free_bitmap:

	kfree(bitmap);

	bitmap_free(bitmap);

out_free_pages:

	__free_pages(pages, INTR_REMAP_PAGE_ORDER);

out_free_table:
@@ -640,7 +639,7 @@ static void intel_teardown_irq_remapping(struct intel_iommu *iommu) 
		}

		free_pages((unsigned long)iommu->ir_table->base,

			   INTR_REMAP_PAGE_ORDER);

		kfree(iommu->ir_table->bitmap);

		bitmap_free(iommu->ir_table->bitmap);

		kfree(iommu->ir_table);

		iommu->ir_table = NULL;

	}