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linux/drivers/slimbus
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Miaoqian Lin 113f10c86d slimbus: ngd: Fix reference count leak in qcom_slim_ngd_notify_slaves 
commit 96cf850093 upstream.

The function qcom_slim_ngd_notify_slaves() calls of_slim_get_device() which
internally uses device_find_child() to obtain a device reference.
According to the device_find_child() documentation,
the caller must drop the reference with put_device() after use.

Found via static analysis and this is similar to commit 4e65bda827
("ASoC: wcd934x: fix error handling in wcd934x_codec_parse_data()")

Fixes: 917809e228 ("slimbus: ngd: Add qcom SLIMBus NGD driver")
Cc: stable <stable@kernel.org>
Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Link: https://patch.msgid.link/20251027060601.33228-1-linmq006@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
History 2025-12-07 06:09:35 +09:00
..
core.c slimbus: core: Remove usage of the deprecated ida_simple_xx() API 2024-04-10 16:18:40 +02:00
Kconfig slimbus: qcom-ngd: Fix build error when CONFIG_SLIM_QCOM_NGD_CTRL=y && CONFIG_QCOM_RPROC_COMMON=m 2022-11-26 09:24:44 +01:00
Makefile slimbus: stream: add stream support 2018-07-07 17:25:23 +02:00
messaging.c slimbus: messaging: Free transaction ID in delayed interrupt scenario 2025-03-13 12:51:10 +01:00
qcom-ctrl.c slimbus: qcom: Fix IRQ check in qcom_slim_probe 2022-05-18 10:26:55 +02:00
qcom-ngd-ctrl.c slimbus: ngd: Fix reference count leak in qcom_slim_ngd_notify_slaves 2025-12-07 06:09:35 +09:00
sched.c slimbus: Add support for 'clock-pause' feature 2017-12-19 11:01:03 +01:00
slimbus.h slimbus: fix a kernel-doc markup 2020-11-27 16:03:42 +01:00
stream.c slimbus: stream: correct presence rate frequencies 2022-11-26 09:24:44 +01:00