summaryrefslogtreecommitdiff
path: root/drivers/iommu
diff options
context:
space:
mode:
authorAndy Shevchenko <andriy.shevchenko@linux.intel.com>2019-03-04 12:07:37 +0300
committerJoerg Roedel <jroedel@suse.de>2019-03-18 13:18:56 +0300
commit5aba6c47401d14247a44c3ae94d1bdab5653f692 (patch)
treed32744b4ff2cba567c5af9b5bc3ddfb4f56b411e /drivers/iommu
parent9e98c678c2d6ae3a17cb2de55d17f69dddaa231b (diff)
downloadlinux-5aba6c47401d14247a44c3ae94d1bdab5653f692.tar.xz
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: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Joerg Roedel <jroedel@suse.de>
Diffstat (limited to 'drivers/iommu')
-rw-r--r--drivers/iommu/intel_irq_remapping.c7
1 files changed, 3 insertions, 4 deletions
diff --git a/drivers/iommu/intel_irq_remapping.c b/drivers/iommu/intel_irq_remapping.c
index 2d74641b7f7b..634d8f059019 100644
--- a/drivers/iommu/intel_irq_remapping.c
+++ b/drivers/iommu/intel_irq_remapping.c
@@ -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;
}