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bus: mhi: core: Set BHI and BHIe pointers to NULL in clean-up
author
Bhaumik Bhatt
<bbhatt@codeaurora.org>
Mon, 2 Aug 2021 05:12:49 +0000
(10:42 +0530)
committer
Greg Kroah-Hartman
<gregkh@linuxfoundation.org>
Thu, 5 Aug 2021 12:28:47 +0000
(14:28 +0200)
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: Hemant Kumar <hemantk@codeaurora.org>
Reviewed-by: Jeffrey Hugo <quic_jhugo@quicinc.com>
Reviewed-by: Hemant Kumar <hemantk@codeaurora.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Bhaumik Bhatt <bbhatt@codeaurora.org>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link:
https://lore.kernel.org/r/20210802051255.5771-5-manivannan.sadhasivam@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/bus/mhi/core/init.c
patch
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blob
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diff --git
a/drivers/bus/mhi/core/init.c
b/drivers/bus/mhi/core/init.c
index
11c7a3d
..
1cc2f22
100644
(file)
--- 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);