From: Yang Pingchao Subject: [PATCH V3] crypto: qat - fix timeout issues Date: Thu, 7 Jan 2016 09:39:46 +0800 Message-ID: <1452130786-147187-1-git-send-email-pingchao.yang@intel.com> Cc: tadeusz.struk@intel.com, linux-crypto@vger.kernel.org, qat-linux@intel.com, Yang Pingchao To: herbert@gondor.apana.org.au Return-path: Received: from mga04.intel.com ([192.55.52.120]:47376 "EHLO mga04.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752243AbcAGBji (ORCPT ); Wed, 6 Jan 2016 20:39:38 -0500 Sender: linux-crypto-owner@vger.kernel.org List-ID: Change the variable times data type and timeout conditon since the value of times should be -1 after loop. Signed-off-by: Yang Pingchao --- drivers/crypto/qat/qat_common/qat_hal.c | 11 ++++++----- 1 file changed, 6 insertions(+), 5 deletions(-) diff --git a/drivers/crypto/qat/qat_common/qat_hal.c b/drivers/crypto/qat/qat_common/qat_hal.c index 0ac0ba8..7786e6e 100644 --- a/drivers/crypto/qat/qat_common/qat_hal.c +++ b/drivers/crypto/qat/qat_common/qat_hal.c @@ -389,7 +389,7 @@ static int qat_hal_check_ae_alive(struct icp_qat_fw_loader_handle *handle) { unsigned int base_cnt, cur_cnt; unsigned char ae; - unsigned int times = MAX_RETRY_TIMES; + int times = MAX_RETRY_TIMES; for (ae = 0; ae < handle->hal_handle->ae_max_num; ae++) { qat_hal_rd_ae_csr(handle, ae, PROFILE_COUNT, @@ -402,7 +402,7 @@ static int qat_hal_check_ae_alive(struct icp_qat_fw_loader_handle *handle) cur_cnt &= 0xffff; } while (times-- && (cur_cnt == base_cnt)); - if (!times) { + if (times < 0) { pr_err("QAT: AE%d is inactive!!\n", ae); return -EFAULT; } @@ -453,7 +453,8 @@ static int qat_hal_init_esram(struct icp_qat_fw_loader_handle *handle) void __iomem *csr_addr = (void __iomem *)((uintptr_t)handle->hal_ep_csr_addr_v + ESRAM_AUTO_INIT_CSR_OFFSET); - unsigned int csr_val, times = 30; + unsigned int csr_val; + int times = 30; csr_val = ADF_CSR_RD(csr_addr, 0); if ((csr_val & ESRAM_AUTO_TINIT) && (csr_val & ESRAM_AUTO_TINIT_DONE)) @@ -467,7 +468,7 @@ static int qat_hal_init_esram(struct icp_qat_fw_loader_handle *handle) qat_hal_wait_cycles(handle, 0, ESRAM_AUTO_INIT_USED_CYCLES, 0); csr_val = ADF_CSR_RD(csr_addr, 0); } while (!(csr_val & ESRAM_AUTO_TINIT_DONE) && times--); - if ((!times)) { + if ((times < 0)) { pr_err("QAT: Fail to init eSram!\n"); return -EFAULT; } @@ -658,7 +659,7 @@ static int qat_hal_clear_gpr(struct icp_qat_fw_loader_handle *handle) ret = qat_hal_wait_cycles(handle, ae, 20, 1); } while (ret && times--); - if (!times) { + if (times < 0) { pr_err("QAT: clear GPR of AE %d failed", ae); return -EINVAL; } -- 2.6.4