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Miller" , linux-samsung-soc@vger.kernel.org, linux-kernel@vger.kernel.org, Bartlomiej Zolnierkiewicz Subject: [PATCH v2 3/4] crypto: s5p-sss: Minor code cleanup Date: Mon, 17 Sep 2018 17:09:29 +0200 X-Mailer: git-send-email 2.7.4 In-Reply-To: <1537196970-5987-1-git-send-email-c.manszewski@samsung.com> X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFupnleLIzCtJLcpLzFFi42LZduzned2Lh+dHGzy8YGmxccZ6Vovju5cy Wsw538Ji0f1KxqJv339Gi/PnN7Bb3L/3k8ni8q45bBYzzu9jsvj/q5nZgctjy8qbTB7bDqh6 bFrVyebxb+EUFo+D7/YwefRtWcXo8XmTXAB7FJdNSmpOZllqkb5dAlfGw5kzmAuaZSqmHLrD 2MA4V6yLkZNDQsBEYtqTz+xdjFwcQgIrGCU+Nv9khHC+MEps3rqaFcL5zCjx9+weoDIOsJZJ t2Mg4ssZJS5vXMgM19F4ZQEjyFw2AVOJ23c/sYE0iAgoSMz7qgMSZhZoYZb4tZoTxBYWsJZY 2zsbrJxFQFWi89ZzNoiT5CRunutkBrE5BTwk3v+ZxQ4Rn8wucbVRAsTmFSiTONYygxki7iKx 7tUUqF5hiVfHt0DVy0j83zmfCeQ2CYFmRolbX66xQjgTGCUOru5igaiylth04xUTyKHMApoS 63fpQzzpKDHzdCWEySdx460gxPl8EpO2TWeGCPNKdLQJQcxQk3i9ZQsbzNYXn78yQpR4SPzf EAEJnNmMEs1/prFPYJSfhbBqASPjKkbx1NLi3PTUYqO81HK94sTc4tK8dL3k/NxNjMBkcvrf 8S87GHf9STrEKMDBqMTDu2DB/Ggh1sSy4srcQ4wSHMxKIrzMfEAh3pTEyqrUovz4otKc1OJD jNIcLErivHxaadFCAumJJanZqakFqUUwWSYOTqkGRkUTA2avWUn2AdMY1CayNDBdkm6yUp2+ fi53zsaF5heXOLj/Nsv4zdf/vXdP0G+lsrYO/msKd42NGTWE3TbfVrx1qizw84OdObLX3ou8 nCPH0C1t9O9yqFUYk6SWxk0Xn1mZK6xf7Wdbsm6261m2xFtFVydrhq0tqes/4nL+2sEziuus 6zrWK7EUZyQaajEXFScCALrYY4YiAwAA X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFvrMLMWRmVeSWpSXmKPExsVy+t/xe7oXD8+PNljVxG6xccZ6Vovju5cy Wsw538Ji0f1KxqJv339Gi/PnN7Bb3L/3k8ni8q45bBYzzu9jsvj/q5nZgctjy8qbTB7bDqh6 bFrVyebxb+EUFo+D7/YwefRtWcXo8XmTXAB7lJ5NUX5pSapCRn5xia1StKGFkZ6hpYWekYml nqGxeayVkamSvp1NSmpOZllqkb5dgl7Gw5kzmAuaZSqmHLrD2MA4V6yLkYNDQsBEYtLtmC5G Lg4hgaWMEi86ljB3MXICxWUk5p3tY4OwhSX+XOtigyj6xCjx6N9xsASbgKnE7buf2EAGiQgo SMz7qgNSwyzQxSwx40kHWI2wgLXE2t7ZjCA2i4CqROet52BxXgF3iQPXPrBCLJCTuHmuE2wx p4CHxPs/s9hBbCGgmi1TZzBOYORbwMiwilEktbQ4Nz232EivODG3uDQvXS85P3cTIzDAtx37 uWUHY9e74EOMAhyMSjy8PxbNjxZiTSwrrsw9xCjBwawkwsvMBxTiTUmsrEotyo8vKs1JLT7E aAp01ERmKdHkfGD05ZXEG5oamltYGpobmxubWSiJ8543qIwSEkhPLEnNTk0tSC2C6WPi4JRq YLS8+KHuh3Hc6v/G0ltjfun/UbW9HGi/Jnmrw8fdIolF3see3d6iN2t30Tv7X+c4dY80tFfa cju92RPfND1/u+o5O///TckRC2+un5G8X7HGk/n/Jc8X99ZINAbr54tImEg8XGH2cPbaRg3B GE3zbBGFPfdMVi5k+7whPH3K1RP+tYpWr7LClimxFGckGmoxFxUnAgDkmwJBhgIAAA== Message-Id: <20180917151009eucas1p145fdde4a56241418a49a1da14c5bdb02~VOIkhD_S60202502025eucas1p1F@eucas1p1.samsung.com> X-CMS-MailID: 20180917151009eucas1p145fdde4a56241418a49a1da14c5bdb02 X-Msg-Generator: CA Content-Type: text/plain; charset="utf-8" X-RootMTR: 20180917151009eucas1p145fdde4a56241418a49a1da14c5bdb02 X-EPHeader: CA CMS-TYPE: 201P X-CMS-RootMailID: 20180917151009eucas1p145fdde4a56241418a49a1da14c5bdb02 References: <1537196970-5987-1-git-send-email-c.manszewski@samsung.com> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Modifications in s5p-sss.c: - remove unnecessary 'goto' statements (making code shorter), - change uint_8 and uint_32 to u8 and u32 types (for consistency in the driver and making code shorter), Signed-off-by: Christoph Manszewski Reviewed-by: Krzysztof Kozlowski --- drivers/crypto/s5p-sss.c | 54 +++++++++++++++--------------------------------- 1 file changed, 17 insertions(+), 37 deletions(-) diff --git a/drivers/crypto/s5p-sss.c b/drivers/crypto/s5p-sss.c index b7216935236f..ba8f2e2ea88f 100644 --- a/drivers/crypto/s5p-sss.c +++ b/drivers/crypto/s5p-sss.c @@ -249,8 +249,8 @@ struct s5p_aes_reqctx { struct s5p_aes_ctx { struct s5p_aes_dev *dev; - uint8_t aes_key[AES_MAX_KEY_SIZE]; - uint8_t nonce[CTR_RFC3686_NONCE_SIZE]; + u8 aes_key[AES_MAX_KEY_SIZE]; + u8 nonce[CTR_RFC3686_NONCE_SIZE]; int keylen; }; @@ -518,46 +518,28 @@ static int s5p_make_sg_cpy(struct s5p_aes_dev *dev, struct scatterlist *src, static int s5p_set_outdata(struct s5p_aes_dev *dev, struct scatterlist *sg) { - int err; - - if (!sg->length) { - err = -EINVAL; - goto exit; - } + if (!sg->length) + return -EINVAL; - err = dma_map_sg(dev->dev, sg, 1, DMA_FROM_DEVICE); - if (!err) { - err = -ENOMEM; - goto exit; - } + if (!dma_map_sg(dev->dev, sg, 1, DMA_FROM_DEVICE)) + return -ENOMEM; dev->sg_dst = sg; - err = 0; -exit: - return err; + return 0; } static int s5p_set_indata(struct s5p_aes_dev *dev, struct scatterlist *sg) { - int err; - - if (!sg->length) { - err = -EINVAL; - goto exit; - } + if (!sg->length) + return -EINVAL; - err = dma_map_sg(dev->dev, sg, 1, DMA_TO_DEVICE); - if (!err) { - err = -ENOMEM; - goto exit; - } + if (!dma_map_sg(dev->dev, sg, 1, DMA_TO_DEVICE)) + return -ENOMEM; dev->sg_src = sg; - err = 0; -exit: - return err; + return 0; } /* @@ -662,8 +644,7 @@ static irqreturn_t s5p_aes_interrupt(int irq, void *dev_id) bool tx_end = false; bool hx_end = false; unsigned long flags; - uint32_t status; - u32 st_bits; + u32 status, st_bits; int err; spin_lock_irqsave(&dev->lock, flags); @@ -1832,7 +1813,7 @@ static struct ahash_alg algs_sha1_md5_sha256[] = { }; static void s5p_set_aes(struct s5p_aes_dev *dev, - const uint8_t *key, const uint8_t *iv, + const u8 *key, const u8 *iv, unsigned int keylen) { void __iomem *keystart; @@ -1918,7 +1899,7 @@ static int s5p_set_outdata_start(struct s5p_aes_dev *dev, static void s5p_aes_crypt_start(struct s5p_aes_dev *dev, unsigned long mode) { struct ablkcipher_request *req = dev->req; - uint32_t aes_control; + u32 aes_control; unsigned long flags; int err; u8 *iv; @@ -2026,7 +2007,7 @@ static int s5p_aes_handle_req(struct s5p_aes_dev *dev, err = ablkcipher_enqueue_request(&dev->queue, req); if (dev->busy) { spin_unlock_irqrestore(&dev->lock, flags); - goto exit; + return err; } dev->busy = true; @@ -2034,7 +2015,6 @@ static int s5p_aes_handle_req(struct s5p_aes_dev *dev, tasklet_schedule(&dev->tasklet); -exit: return err; } @@ -2056,7 +2036,7 @@ static int s5p_aes_crypt(struct ablkcipher_request *req, unsigned long mode) } static int s5p_aes_setkey(struct crypto_ablkcipher *cipher, - const uint8_t *key, unsigned int keylen) + const u8 *key, unsigned int keylen) { struct crypto_tfm *tfm = crypto_ablkcipher_tfm(cipher); struct s5p_aes_ctx *ctx = crypto_tfm_ctx(tfm); -- 2.7.4