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path: root/drivers/crypto/hisilicon/sec/sec_algs.c
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Diffstat (limited to 'drivers/crypto/hisilicon/sec/sec_algs.c')
-rw-r--r--drivers/crypto/hisilicon/sec/sec_algs.c43
1 files changed, 19 insertions, 24 deletions
diff --git a/drivers/crypto/hisilicon/sec/sec_algs.c b/drivers/crypto/hisilicon/sec/sec_algs.c
index e0508ea160f1..c27e7160d2df 100644
--- a/drivers/crypto/hisilicon/sec/sec_algs.c
+++ b/drivers/crypto/hisilicon/sec/sec_algs.c
@@ -153,6 +153,24 @@ static void sec_alg_skcipher_init_context(struct crypto_skcipher *atfm,
ctx->cipher_alg);
}
+static void sec_free_hw_sgl(struct sec_hw_sgl *hw_sgl,
+ dma_addr_t psec_sgl, struct sec_dev_info *info)
+{
+ struct sec_hw_sgl *sgl_current, *sgl_next;
+ dma_addr_t sgl_next_dma;
+
+ sgl_current = hw_sgl;
+ while (sgl_current) {
+ sgl_next = sgl_current->next;
+ sgl_next_dma = sgl_current->next_sgl;
+
+ dma_pool_free(info->hw_sgl_pool, sgl_current, psec_sgl);
+
+ sgl_current = sgl_next;
+ psec_sgl = sgl_next_dma;
+ }
+}
+
static int sec_alloc_and_fill_hw_sgl(struct sec_hw_sgl **sec_sgl,
dma_addr_t *psec_sgl,
struct scatterlist *sgl,
@@ -199,35 +217,12 @@ static int sec_alloc_and_fill_hw_sgl(struct sec_hw_sgl **sec_sgl,
return 0;
err_free_hw_sgls:
- sgl_current = *sec_sgl;
- while (sgl_current) {
- sgl_next = sgl_current->next;
- dma_pool_free(info->hw_sgl_pool, sgl_current,
- sgl_current->next_sgl);
- sgl_current = sgl_next;
- }
+ sec_free_hw_sgl(*sec_sgl, *psec_sgl, info);
*psec_sgl = 0;
return ret;
}
-static void sec_free_hw_sgl(struct sec_hw_sgl *hw_sgl,
- dma_addr_t psec_sgl, struct sec_dev_info *info)
-{
- struct sec_hw_sgl *sgl_current, *sgl_next;
-
- if (!hw_sgl)
- return;
- sgl_current = hw_sgl;
- while (sgl_current->next) {
- sgl_next = sgl_current->next;
- dma_pool_free(info->hw_sgl_pool, sgl_current,
- sgl_current->next_sgl);
- sgl_current = sgl_next;
- }
- dma_pool_free(info->hw_sgl_pool, hw_sgl, psec_sgl);
-}
-
static int sec_alg_skcipher_setkey(struct crypto_skcipher *tfm,
const u8 *key, unsigned int keylen,
enum sec_cipher_alg alg)