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[79.19.52.27]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-a9953d48594sm121254166b.176.2024.10.07.01.38.06 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 07 Oct 2024 01:38:06 -0700 (PDT) From: Matteo Martelli Date: Mon, 07 Oct 2024 10:37:16 +0200 Subject: [PATCH v2 7/7] power: supply: ingenic-battery: free scale buffer after use Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20241007-iio-read-avail-release-v2-7-245002d5869e@gmail.com> References: <20241007-iio-read-avail-release-v2-0-245002d5869e@gmail.com> In-Reply-To: <20241007-iio-read-avail-release-v2-0-245002d5869e@gmail.com> To: Jonathan Cameron , Lars-Peter Clausen , Michael Hennerich , Alisa-Dariana Roman , Christian Eggers , Peter Rosin , Paul Cercueil , Sebastian Reichel Cc: linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mips@vger.kernel.org, linux-pm@vger.kernel.org, Matteo Martelli X-Mailer: b4 0.14.2 The iio_read_avail_channel_attribute() iio interface now allocates a copy of the available info buffer that must be freed after use. Signed-off-by: Matteo Martelli --- drivers/power/supply/ingenic-battery.c | 17 ++++++++++++----- 1 file changed, 12 insertions(+), 5 deletions(-) diff --git a/drivers/power/supply/ingenic-battery.c b/drivers/power/supply/= ingenic-battery.c index 0a40f425c27723ccec49985b8b5e14a737b6a7eb..3db000d9fff9a7a681963131454= 7b3d16db7f967 100644 --- a/drivers/power/supply/ingenic-battery.c +++ b/drivers/power/supply/ingenic-battery.c @@ -12,6 +12,7 @@ #include #include #include +#include =20 struct ingenic_battery { struct device *dev; @@ -79,8 +80,10 @@ static int ingenic_battery_set_scale(struct ingenic_batt= ery *bat) dev_err(bat->dev, "Unable to read channel avail scale\n"); return ret; } - if (ret !=3D IIO_AVAIL_LIST || scale_type !=3D IIO_VAL_FRACTIONAL_LOG2) - return -EINVAL; + if (ret !=3D IIO_AVAIL_LIST || scale_type !=3D IIO_VAL_FRACTIONAL_LOG2) { + ret =3D -EINVAL; + goto out; + } =20 max_mV =3D bat->info->voltage_max_design_uv / 1000; =20 @@ -99,7 +102,8 @@ static int ingenic_battery_set_scale(struct ingenic_batt= ery *bat) =20 if (best_idx < 0) { dev_err(bat->dev, "Unable to find matching voltage scale\n"); - return -EINVAL; + ret =3D -EINVAL; + goto out; } =20 /* Only set scale if there is more than one (fractional) entry */ @@ -109,10 +113,13 @@ static int ingenic_battery_set_scale(struct ingenic_b= attery *bat) scale_raw[best_idx + 1], IIO_CHAN_INFO_SCALE); if (ret) - return ret; + goto out; } =20 - return 0; + ret =3D 0; +out: + kfree(scale_raw); + return ret; } =20 static enum power_supply_property ingenic_battery_properties[] =3D { --=20 2.46.2