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40 lines
1.3 KiB
40 lines
1.3 KiB
7 years ago
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From 75d68369b544acc5d14c18a827654dfff248d09d Mon Sep 17 00:00:00 2001
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From: Himanshu Jha <himanshujha199640@gmail.com>
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Date: Sun, 31 Dec 2017 17:54:23 +0530
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Subject: [PATCH 1/8] crypto: Use zeroing memory allocator instead of
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allocator/memset
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Use dma_zalloc_coherent for allocating zeroed
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memory and remove unnecessary memset function.
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Done using Coccinelle.
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Generated-by: scripts/coccinelle/api/alloc/kzalloc-simple.cocci
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0-day tested with no failures.
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Signed-off-by: Himanshu Jha <himanshujha199640@gmail.com>
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Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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---
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drivers/crypto/amcc/crypto4xx_core.c | 8 +++-----
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1 file changed, 3 insertions(+), 5 deletions(-)
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--- a/drivers/crypto/amcc/crypto4xx_core.c
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+++ b/drivers/crypto/amcc/crypto4xx_core.c
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@@ -282,14 +282,12 @@ static u32 crypto4xx_put_pd_to_pdr(struc
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*/
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static u32 crypto4xx_build_gdr(struct crypto4xx_device *dev)
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{
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- dev->gdr = dma_alloc_coherent(dev->core_dev->device,
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- sizeof(struct ce_gd) * PPC4XX_NUM_GD,
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- &dev->gdr_pa, GFP_ATOMIC);
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+ dev->gdr = dma_zalloc_coherent(dev->core_dev->device,
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+ sizeof(struct ce_gd) * PPC4XX_NUM_GD,
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+ &dev->gdr_pa, GFP_ATOMIC);
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if (!dev->gdr)
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return -ENOMEM;
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- memset(dev->gdr, 0, sizeof(struct ce_gd) * PPC4XX_NUM_GD);
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-
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return 0;
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}
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