From: Greg KH <gregkh@linuxfoundation.org>
To: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Cc: hemantk@codeaurora.org, bbhatt@codeaurora.org,
linux-arm-msm@vger.kernel.org, jhugo@codeaurora.org,
linux-kernel@vger.kernel.org, loic.poulain@linaro.org,
kvalo@codeaurora.org, ath11k@lists.infradead.org,
stable@vger.kernel.org, Jeffrey Hugo <quic_jhugo@quicinc.com>
Subject: Re: [PATCH 06/10] bus: mhi: core: Set BHI and BHIe pointers to NULL in clean-up
Date: Fri, 25 Jun 2021 14:38:58 +0200 [thread overview]
Message-ID: <YNXOYkj9TWZgYAG3@kroah.com> (raw)
In-Reply-To: <20210625123355.11578-7-manivannan.sadhasivam@linaro.org>
On Fri, Jun 25, 2021 at 06:03:51PM +0530, Manivannan Sadhasivam wrote:
> From: Bhaumik Bhatt <bbhatt@codeaurora.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.
>
> Cc: stable@vger.kernel.org
Why is this needed for stable, but patch 5/10 is not?
And what commit does this fix? How far back should it go?
And is this really fixing anything?
thanks,
greg k-h
next prev parent reply other threads:[~2021-06-25 12:39 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-06-25 12:33 [PATCH 00/10] MHI patches for v5.14 - Take 2 Manivannan Sadhasivam
2021-06-25 12:33 ` [PATCH 01/10] bus: mhi: Add inbound buffers allocation flag Manivannan Sadhasivam
2021-06-25 12:33 ` [PATCH 02/10] bus: mhi: pci_generic: Apply no-op for wake using sideband wake boolean Manivannan Sadhasivam
2021-06-25 12:33 ` [PATCH 03/10] bus: mhi: pci_generic: Add Cinterion MV31-W PCIe to MHI Manivannan Sadhasivam
2021-06-25 12:33 ` [PATCH 04/10] bus: mhi: core: Validate channel ID when processing command completions Manivannan Sadhasivam
2021-06-25 12:33 ` [PATCH 05/10] bus: mhi: core: Set BHI/BHIe offsets on power up preparation Manivannan Sadhasivam
2021-06-25 12:33 ` [PATCH 06/10] bus: mhi: core: Set BHI and BHIe pointers to NULL in clean-up Manivannan Sadhasivam
2021-06-25 12:38 ` Greg KH [this message]
2021-06-25 13:03 ` Manivannan Sadhasivam
2021-06-25 12:33 ` [PATCH 07/10] bus: mhi: Add MMIO region length to controller structure Manivannan Sadhasivam
2021-06-25 12:33 ` [PATCH 08/10] ath11k: set register access length for MHI driver Manivannan Sadhasivam
2021-06-25 12:33 ` [PATCH 09/10] bus: mhi: pci_generic: Set " Manivannan Sadhasivam
2021-06-25 12:33 ` [PATCH 10/10] bus: mhi: core: Add range checks for BHI and BHIe Manivannan Sadhasivam
2021-06-30 13:16 ` [PATCH 00/10] MHI patches for v5.14 - Take 2 Manivannan Sadhasivam
2021-06-30 13:25 ` Greg KH
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