diff options
| author |   Xin Zeng <xin.zeng@intel.com> | 2019-04-29 16:43:15 +0100 |
|---|---|---|
| committer |   Herbert Xu <herbert@gondor.apana.org.au> | 2019-05-23 14:01:02 +0800 |
| commit | 933224985a0abdca8d60f7c4626068fbdead949f (patch) | |
| tree | d8c4457804d59b97dac12b92df4397d79099960e /drivers/crypto/qat | |
| parent | Linux 5.2-rc1 (diff) | |
| download | linux-dev-933224985a0abdca8d60f7c4626068fbdead949f.tar.xz linux-dev-933224985a0abdca8d60f7c4626068fbdead949f.zip | |
crypto: qat - remove spin_lock in qat_ablkcipher_setkey
Remove unnecessary spin lock in qat_ablkcipher_setkey.
Reviewed-by: Conor Mcloughlin <conor.mcloughlin@intel.com>
Tested-by: Sergey Portnoy <sergey.portnoy@intel.com>
Signed-off-by: Xin Zeng <xin.zeng@intel.com>
Signed-off-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto/qat')
| -rw-r--r-- | drivers/crypto/qat/qat_common/qat_algs.c | 16 |
1 files changed, 3 insertions, 13 deletions
diff --git a/drivers/crypto/qat/qat_common/qat_algs.c b/drivers/crypto/qat/qat_common/qat_algs.c index c8d401646902..413e05e8891e 100644 --- a/drivers/crypto/qat/qat_common/qat_algs.c +++ b/drivers/crypto/qat/qat_common/qat_algs.c @@ -131,7 +131,6 @@ struct qat_alg_ablkcipher_ctx { struct icp_qat_fw_la_bulk_req dec_fw_req; struct qat_crypto_instance *inst; struct crypto_tfm *tfm; - spinlock_t lock; /* protects qat_alg_ablkcipher_ctx struct */ }; static int qat_get_inter_state_size(enum icp_qat_hw_auth_algo qat_hash_alg) @@ -912,7 +911,6 @@ static int qat_alg_ablkcipher_setkey(struct crypto_ablkcipher *tfm, struct qat_alg_ablkcipher_ctx *ctx = crypto_ablkcipher_ctx(tfm); struct device *dev; - spin_lock(&ctx->lock); if (ctx->enc_cd) { /* rekeying */ dev = &GET_DEV(ctx->inst->accel_dev); @@ -925,29 +923,22 @@ static int qat_alg_ablkcipher_setkey(struct crypto_ablkcipher *tfm, int node = get_current_node(); struct qat_crypto_instance *inst = qat_crypto_get_instance_node(node); - if (!inst) { - spin_unlock(&ctx->lock); + if (!inst) return -EINVAL; - } dev = &GET_DEV(inst->accel_dev); ctx->inst = inst; ctx->enc_cd = dma_alloc_coherent(dev, sizeof(*ctx->enc_cd), &ctx->enc_cd_paddr, GFP_ATOMIC); - if (!ctx->enc_cd) { - spin_unlock(&ctx->lock); + if (!ctx->enc_cd) return -ENOMEM; - } ctx->dec_cd = dma_alloc_coherent(dev, sizeof(*ctx->dec_cd), &ctx->dec_cd_paddr, GFP_ATOMIC); - if (!ctx->dec_cd) { - spin_unlock(&ctx->lock); + if (!ctx->dec_cd) goto out_free_enc; - } } - spin_unlock(&ctx->lock); if (qat_alg_ablkcipher_init_sessions(ctx, key, keylen, mode)) goto out_free_all; @@ -1119,7 +1110,6 @@ static int qat_alg_ablkcipher_init(struct crypto_tfm *tfm) { struct qat_alg_ablkcipher_ctx *ctx = crypto_tfm_ctx(tfm); - spin_lock_init(&ctx->lock); tfm->crt_ablkcipher.reqsize = sizeof(struct qat_crypto_request); ctx->tfm = tfm; return 0; |