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Date: Wed, 04 Jul 2018 09:59:18 +0900 From: MyungJoo Ham <myungjoo.ham@...sung.com> To: Enric Balletbo i Serra <enric.balletbo@...labora.com>, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org> CC: "kernel@...labora.com" <kernel@...labora.com>, Chanwoo Choi <cw00.choi@...sung.com>, Kyungmin Park <kyungmin.park@...sung.com>, "linux-pm@...r.kernel.org" <linux-pm@...r.kernel.org> Subject: RE: [PATCH v4] PM / devfreq: Fix devfreq_add_device() when drivers are built as modules. >+ if (!strncmp(name, DEVFREQ_GOV_SIMPLE_ONDEMAND, >+ DEVFREQ_NAME_LEN)) >+ err = request_module("governor_%s", "simpleondemand"); >+ else >+ err = request_module("governor_%s", name); >+ if (err) >+ return NULL; You are returning without the lock acquired..
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