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path: root/drivers/crypto/hisilicon/sgl.c
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Diffstat (limited to 'drivers/crypto/hisilicon/sgl.c')
-rw-r--r--drivers/crypto/hisilicon/sgl.c18
1 files changed, 10 insertions, 8 deletions
diff --git a/drivers/crypto/hisilicon/sgl.c b/drivers/crypto/hisilicon/sgl.c
index 3df7a256e9..0beca257c2 100644
--- a/drivers/crypto/hisilicon/sgl.c
+++ b/drivers/crypto/hisilicon/sgl.c
@@ -70,11 +70,11 @@ struct hisi_acc_sgl_pool *hisi_acc_create_sgl_pool(struct device *dev,
HISI_ACC_SGL_ALIGN_SIZE);
/*
- * the pool may allocate a block of memory of size PAGE_SIZE * 2^MAX_ORDER,
+ * the pool may allocate a block of memory of size PAGE_SIZE * 2^MAX_PAGE_ORDER,
* block size may exceed 2^31 on ia64, so the max of block size is 2^31
*/
- block_size = 1 << (PAGE_SHIFT + MAX_ORDER < 32 ?
- PAGE_SHIFT + MAX_ORDER : 31);
+ block_size = 1 << (PAGE_SHIFT + MAX_PAGE_ORDER < 32 ?
+ PAGE_SHIFT + MAX_PAGE_ORDER : 31);
sgl_num_per_block = block_size / sgl_size;
block_num = count / sgl_num_per_block;
remain_sgl = count % sgl_num_per_block;
@@ -121,10 +121,10 @@ struct hisi_acc_sgl_pool *hisi_acc_create_sgl_pool(struct device *dev,
return pool;
err_free_mem:
- for (j = 0; j < i; j++) {
+ for (j = 0; j < i; j++)
dma_free_coherent(dev, block_size, block[j].sgl,
block[j].sgl_dma);
- }
+
kfree_sensitive(pool);
return ERR_PTR(-ENOMEM);
}
@@ -140,7 +140,7 @@ EXPORT_SYMBOL_GPL(hisi_acc_create_sgl_pool);
void hisi_acc_free_sgl_pool(struct device *dev, struct hisi_acc_sgl_pool *pool)
{
struct mem_block *block;
- int i;
+ u32 i;
if (!dev || !pool)
return;
@@ -196,9 +196,10 @@ static void update_hw_sgl_sum_sge(struct hisi_acc_hw_sgl *hw_sgl, u16 sum)
static void clear_hw_sgl_sge(struct hisi_acc_hw_sgl *hw_sgl)
{
struct acc_hw_sge *hw_sge = hw_sgl->sge_entries;
+ u16 entry_sum = le16_to_cpu(hw_sgl->entry_sum_in_sgl);
int i;
- for (i = 0; i < le16_to_cpu(hw_sgl->entry_sum_in_sgl); i++) {
+ for (i = 0; i < entry_sum; i++) {
hw_sge[i].page_ctrl = NULL;
hw_sge[i].buf = 0;
hw_sge[i].len = 0;
@@ -223,10 +224,11 @@ hisi_acc_sg_buf_map_to_hw_sgl(struct device *dev,
u32 index, dma_addr_t *hw_sgl_dma)
{
struct hisi_acc_hw_sgl *curr_hw_sgl;
+ unsigned int i, sg_n_mapped;
dma_addr_t curr_sgl_dma = 0;
struct acc_hw_sge *curr_hw_sge;
struct scatterlist *sg;
- int i, sg_n, sg_n_mapped;
+ int sg_n;
if (!dev || !sgl || !pool || !hw_sgl_dma)
return ERR_PTR(-EINVAL);