From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andy Shevchenko Subject: [PATCH v1] iommu/vt-d: Switch to bitmap_zalloc() Date: Mon, 4 Mar 2019 11:07:37 +0200 Message-ID: <20190304090737.48332-1-andriy.shevchenko@linux.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: iommu-bounces-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org Errors-To: iommu-bounces-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org To: Joerg Roedel , iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org Cc: Andy Shevchenko List-Id: iommu@lists.linux-foundation.org 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 --- drivers/iommu/intel_irq_remapping.c | 7 +++---- 1 file 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; } -- 2.20.1