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Commit e849a34a authored by Zhen Kong's avatar Zhen Kong
Browse files

crypto: msm: Fix a bug when writing xts du size 



The break is missing in the switch-case branch of writing xts du size,
this leads to incorrect xts du size setting.

Change-Id: I288c3d30cc3d59eb28672be32aa57819971ca97f
Signed-off-by: default avatarZhen Kong <zkong@codeaurora.org>
parent 4ae4d503

drivers/crypto/msm/qce50.c

+7 −1
Original line number Diff line number Diff line 
/* Qualcomm Crypto Engine driver.

 *

 * Copyright (c) 2012-2013, The Linux Foundation. All rights reserved.

 * Copyright (c) 2012-2014, The Linux Foundation. All rights reserved.

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License version 2 and
@@ -829,12 +829,15 @@ static int _ce_setup_cipher(struct qce_device *pce_dev, struct qce_req *creq, 
			case QCRYPTO_CTX_XTS_DU_SIZE_512B:

				pce->data = min((unsigned int)QCE_SECTOR_SIZE,

						creq->cryptlen);

				break;

			case QCRYPTO_CTX_XTS_DU_SIZE_1KB:

				pce->data =

					min((unsigned int)QCE_SECTOR_SIZE * 2,

					creq->cryptlen);

				break;

			default:

				pce->data = creq->cryptlen;

				break;

			}

		}

		if (creq->mode !=  QCE_MODE_ECB) {
@@ -1617,15 +1620,18 @@ static int _ce_setup_cipher_direct(struct qce_device *pce_dev, 
					min((uint32_t)QCE_SECTOR_SIZE,

					creq->cryptlen), pce_dev->iobase +

					CRYPTO_ENCR_XTS_DU_SIZE_REG);

				break;

			case QCRYPTO_CTX_XTS_DU_SIZE_1KB:

				writel_relaxed(

					min((uint32_t)(QCE_SECTOR_SIZE * 2),

					creq->cryptlen), pce_dev->iobase +

					CRYPTO_ENCR_XTS_DU_SIZE_REG);

				break;

			default:

				writel_relaxed(creq->cryptlen,

					pce_dev->iobase +

					CRYPTO_ENCR_XTS_DU_SIZE_REG);

				break;

			}

		}

		if (creq->mode !=  QCE_MODE_ECB) {