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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 commit4e65bda827("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>