Commit 3aa8f43b authored by Bhaumik Bhatt's avatar Bhaumik Bhatt Committed by Greg Kroah-Hartman
Browse files

bus: mhi: core: Set BHI and BHIe pointers to NULL in clean-up 

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.

Link: https://lore.kernel.org/r/1620330705-40192-3-git-send-email-bbhatt@codeaurora.org


Suggested-by: default avatarHemant Kumar <hemantk@codeaurora.org>
Reviewed-by: default avatarJeffrey Hugo <quic_jhugo@quicinc.com>
Reviewed-by: default avatarHemant Kumar <hemantk@codeaurora.org>
Reviewed-by: default avatarManivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: default avatarBhaumik Bhatt <bbhatt@codeaurora.org>
Signed-off-by: default avatarManivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/20210802051255.5771-5-manivannan.sadhasivam@linaro.org


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 3215d8e0

drivers/bus/mhi/core/init.c

+3 −0
Original line number Diff line number Diff line
@@ -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);