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crypto: talitos - Remove GFP_DMA and add DMA alignment padding 

GFP_DMA does not guarantee that the returned memory is aligned
for DMA.  It should be removed where it is superfluous.

However, kmalloc may start returning DMA-unaligned memory in future
so fix this by adding the alignment by hand.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Herbert Xu 2022-12-30 15:31:33 +08:00
parent 199354d7fb
commit 8e613cec25
1 changed files with 1 additions and 1 deletions
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2
drivers/crypto/talitos.c
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@ -1393,7 +1393,7 @@ static struct talitos_edesc *talitos_edesc_alloc(struct device *dev,
alloc_len += sizeof(struct talitos_desc); alloc_len += sizeof(struct talitos_desc);
alloc_len += ivsize; alloc_len += ivsize;
edesc = kmalloc(alloc_len, GFP_DMA | flags); edesc = kmalloc(ALIGN(alloc_len, dma_get_cache_alignment()), flags);
if (!edesc) if (!edesc)
return ERR_PTR(-ENOMEM); return ERR_PTR(-ENOMEM);
if (ivsize) { if (ivsize) {