From 91b8e3056bf9107b688eb076c9b804171364db71 Mon Sep 17 00:00:00 2001 From: David Woodhouse Date: Wed, 29 Jul 2009 08:49:12 +0100 Subject: [PATCH] intel-agp: Move repeated sglist free into separate function Signed-off-by: David Woodhouse --- drivers/char/agp/intel-agp.c | 29 +++++++++++++++-------------- 1 file changed, 15 insertions(+), 14 deletions(-) diff --git a/drivers/char/agp/intel-agp.c b/drivers/char/agp/intel-agp.c index 148d7e38fddf..b9d9886ff3c3 100644 --- a/drivers/char/agp/intel-agp.c +++ b/drivers/char/agp/intel-agp.c @@ -196,6 +196,18 @@ static void intel_agp_unmap_page(struct page *page, dma_addr_t dma) PAGE_SIZE, PCI_DMA_BIDIRECTIONAL); } +static void intel_agp_free_sglist(struct agp_memory *mem) +{ + + if (mem->sg_vmalloc_flag) + vfree(mem->sg_list); + else + kfree(mem->sg_list); + mem->sg_vmalloc_flag = 0; + mem->sg_list = NULL; + mem->num_sg = 0; +} + static int intel_agp_map_memory(struct agp_memory *mem) { struct scatterlist *sg; @@ -224,13 +236,8 @@ static int intel_agp_map_memory(struct agp_memory *mem) mem->num_sg = pci_map_sg(intel_private.pcidev, mem->sg_list, mem->page_count, PCI_DMA_BIDIRECTIONAL); - if (!mem->num_sg) { - if (mem->sg_vmalloc_flag) - vfree(mem->sg_list); - else - kfree(mem->sg_list); - mem->sg_list = NULL; - mem->sg_vmalloc_flag = 0; + if (unlikely(!mem->num_sg)) { + intel_agp_free_sglist(mem); return -ENOMEM; } return 0; @@ -242,13 +249,7 @@ static void intel_agp_unmap_memory(struct agp_memory *mem) pci_unmap_sg(intel_private.pcidev, mem->sg_list, mem->page_count, PCI_DMA_BIDIRECTIONAL); - if (mem->sg_vmalloc_flag) - vfree(mem->sg_list); - else - kfree(mem->sg_list); - mem->sg_vmalloc_flag = 0; - mem->sg_list = NULL; - mem->num_sg = 0; + intel_agp_free_sglist(mem); } static void intel_agp_insert_sg_entries(struct agp_memory *mem, -- 2.39.2