Re: [PATCH] phy: qcom-qmp-combo: fix NULL-deref on runtime resume

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On 26/10/2022 19:21, Johan Hovold wrote:
Commit fc64623637da ("phy: qcom-qmp-combo,usb: add support for separate
PCS_USB region") started treating the PCS_USB registers as potentially
separate from the PCS registers but used the wrong base when no PCS_USB
offset has been provided.

Fix the PCS_USB base used at runtime resume to prevent dereferencing a
NULL pointer on platforms that do not provide a PCS_USB offset (e.g.
SC7180).

Fixes: fc64623637da ("phy: qcom-qmp-combo,usb: add support for separate PCS_USB region")
Cc: stable@xxxxxxxxxxxxxxx	# 5.20
Signed-off-by: Johan Hovold <johan+linaro@xxxxxxxxxx>
---
  drivers/phy/qualcomm/phy-qcom-qmp-combo.c | 2 +-
  1 file changed, 1 insertion(+), 1 deletion(-)

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>

--
With best wishes
Dmitry




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