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Wed, 5 May 2021 17:08:45 +0000 (UTC) Received: from malabar-linux.qualcomm.com (i-global254.qualcomm.com [199.106.103.254]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: bbhatt) by smtp.codeaurora.org (Postfix) with ESMTPSA id 3D5BEC43152; Wed, 5 May 2021 17:08:42 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 3D5BEC43152 Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; spf=fail smtp.mailfrom=bbhatt@codeaurora.org From: Bhaumik Bhatt To: manivannan.sadhasivam@linaro.org Cc: linux-arm-msm@vger.kernel.org, hemantk@codeaurora.org, jhugo@codeaurora.org, linux-kernel@vger.kernel.org, loic.poulain@linaro.org, linux-wireless@vger.kernel.org, kvalo@codeaurora.org, ath11k@lists.infradead.org, Bhaumik Bhatt Subject: [PATCH v3 2/6] bus: mhi: core: Set BHI and BHIe pointers to NULL in clean-up Date: Wed, 5 May 2021 10:08:17 -0700 Message-Id: <1620234501-30461-3-git-send-email-bbhatt@codeaurora.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1620234501-30461-1-git-send-email-bbhatt@codeaurora.org> References: <1620234501-30461-1-git-send-email-bbhatt@codeaurora.org> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210505_100850_550247_EB820A8D X-CRM114-Status: GOOD ( 11.89 ) X-BeenThere: ath11k@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "ath11k" Errors-To: ath11k-bounces+ath11k=archiver.kernel.org@lists.infradead.org Set the BHI and BHIe pointers to NULL as part of clean-up. This makes sure that stale pointers are not accessed after powering MHI down. Suggested-by: Hemant Kumar Signed-off-by: Bhaumik Bhatt Reviewed-by: Jeffrey Hugo --- drivers/bus/mhi/core/init.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/bus/mhi/core/init.c b/drivers/bus/mhi/core/init.c index 11c7a3d..1cc2f22 100644 --- a/drivers/bus/mhi/core/init.c +++ b/drivers/bus/mhi/core/init.c @@ -1132,6 +1132,9 @@ void mhi_unprepare_after_power_down(struct mhi_controller *mhi_cntrl) mhi_cntrl->rddm_image = NULL; } + mhi_cntrl->bhi = NULL; + mhi_cntrl->bhie = NULL; + mhi_deinit_dev_ctxt(mhi_cntrl); } EXPORT_SYMBOL_GPL(mhi_unprepare_after_power_down); -- The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project -- ath11k mailing list ath11k@lists.infradead.org http://lists.infradead.org/mailman/listinfo/ath11k