if (areq->cryptlen == 0 || areq->cryptlen % 16)
return true;
- if (sg_nents(areq->src) > 8 || sg_nents(areq->dst) > 8)
+ if (sg_nents_for_len(areq->src, areq->cryptlen) > 8 ||
+ sg_nents_for_len(areq->dst, areq->cryptlen) > 8)
return true;
sg = areq->src;
int nr_sgs = 0;
int nr_sgd = 0;
int err = 0;
+ int nsgs = sg_nents_for_len(areq->src, areq->cryptlen);
+ int nsgd = sg_nents_for_len(areq->dst, areq->cryptlen);
int i;
algt = container_of(alg, struct sun8i_ss_alg_template, alg.skcipher);
goto theend_key;
}
if (areq->src == areq->dst) {
- nr_sgs = dma_map_sg(ss->dev, areq->src, sg_nents(areq->src),
- DMA_BIDIRECTIONAL);
+ nr_sgs = dma_map_sg(ss->dev, areq->src, nsgs, DMA_BIDIRECTIONAL);
if (nr_sgs <= 0 || nr_sgs > 8) {
dev_err(ss->dev, "Invalid sg number %d\n", nr_sgs);
err = -EINVAL;
}
nr_sgd = nr_sgs;
} else {
- nr_sgs = dma_map_sg(ss->dev, areq->src, sg_nents(areq->src),
- DMA_TO_DEVICE);
+ nr_sgs = dma_map_sg(ss->dev, areq->src, nsgs, DMA_TO_DEVICE);
if (nr_sgs <= 0 || nr_sgs > 8) {
dev_err(ss->dev, "Invalid sg number %d\n", nr_sgs);
err = -EINVAL;
goto theend_iv;
}
- nr_sgd = dma_map_sg(ss->dev, areq->dst, sg_nents(areq->dst),
- DMA_FROM_DEVICE);
+ nr_sgd = dma_map_sg(ss->dev, areq->dst, nsgd, DMA_FROM_DEVICE);
if (nr_sgd <= 0 || nr_sgd > 8) {
dev_err(ss->dev, "Invalid sg number %d\n", nr_sgd);
err = -EINVAL;
theend_sgs:
if (areq->src == areq->dst) {
- dma_unmap_sg(ss->dev, areq->src, sg_nents(areq->src),
- DMA_BIDIRECTIONAL);
+ dma_unmap_sg(ss->dev, areq->src, nsgs, DMA_BIDIRECTIONAL);
} else {
- dma_unmap_sg(ss->dev, areq->src, sg_nents(areq->src),
- DMA_TO_DEVICE);
- dma_unmap_sg(ss->dev, areq->dst, sg_nents(areq->dst),
- DMA_FROM_DEVICE);
+ dma_unmap_sg(ss->dev, areq->src, nsgs, DMA_TO_DEVICE);
+ dma_unmap_sg(ss->dev, areq->dst, nsgd, DMA_FROM_DEVICE);
}
theend_iv: