phy: qcom-qmp: fix reset-controller leak on probe errors
authorJohan Hovold <johan+linaro@kernel.org>
Wed, 27 Apr 2022 06:32:42 +0000 (08:32 +0200)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 9 Jun 2022 08:23:30 +0000 (10:23 +0200)
commitba173a6f8d8dffed64bb13ab23081bdddfb464f0
treec0a4d7013870db7ab6a170f27fa548c61ef5bc63
parente9f53bfcd4ae9790504ed8dc450b2260abe666b5
phy: qcom-qmp: fix reset-controller leak on probe errors

commit 4d2900f20edfe541f75756a00deeb2ffe7c66bc1 upstream.

Make sure to release the lane reset controller in case of a late probe
error (e.g. probe deferral).

Note that due to the reset controller being defined in devicetree in
"lane" child nodes, devm_reset_control_get_exclusive() cannot be used
directly.

Fixes: e78f3d15e115 ("phy: qcom-qmp: new qmp phy driver for qcom-chipsets")
Cc: stable@vger.kernel.org # 4.12
Cc: Vivek Gautam <vivek.gautam@codeaurora.org>
Reviewed-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20220427063243.32576-3-johan+linaro@kernel.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/phy/qualcomm/phy-qcom-qmp.c