From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751084AbdKLL3M (ORCPT ); Sun, 12 Nov 2017 06:29:12 -0500 Received: from mail3-relais-sop.national.inria.fr ([192.134.164.104]:47816 "EHLO mail3-relais-sop.national.inria.fr" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750735AbdKLL3L (ORCPT ); Sun, 12 Nov 2017 06:29:11 -0500 X-IronPort-AV: E=Sophos;i="5.44,383,1505772000"; d="scan'208";a="244334062" Date: Sun, 12 Nov 2017 12:29:08 +0100 (CET) From: Julia Lawall X-X-Sender: jll@hadrien To: SF Markus Elfring cc: alsa-devel@alsa-project.org, Jaroslav Kysela , Takashi Iwai , LKML , kernel-janitors@vger.kernel.org Subject: Re: [PATCH] ALSA: ak4531_codec: Use common error handling code in snd_ak4531_mixer() In-Reply-To: <5615b3be-55ab-c4c1-bc7d-a7c7ba3620f3@users.sourceforge.net> Message-ID: References: <5615b3be-55ab-c4c1-bc7d-a7c7ba3620f3@users.sourceforge.net> User-Agent: Alpine 2.20 (DEB 67 2015-01-07) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sun, 12 Nov 2017, SF Markus Elfring wrote: > From: Markus Elfring > Date: Sun, 12 Nov 2017 10:56:19 +0100 > > * Add a jump target so that a bit of exception handling can be better > reused at the end of this function. > > This issue was detected by using the Coccinelle software. > > * The script "checkpatch.pl" pointed information out like the following. > > ERROR: do not use assignment in if condition These don't seem to belong in the same patch. julia > > Thus fix three affected source code places. > > Signed-off-by: Markus Elfring > --- > sound/pci/ak4531_codec.c | 28 ++++++++++++++++------------ > 1 file changed, 16 insertions(+), 12 deletions(-) > > diff --git a/sound/pci/ak4531_codec.c b/sound/pci/ak4531_codec.c > index 2fb1fbba3e5e..208c96d6ae0f 100644 > --- a/sound/pci/ak4531_codec.c > +++ b/sound/pci/ak4531_codec.c > @@ -399,10 +399,10 @@ int snd_ak4531_mixer(struct snd_card *card, > return -ENOMEM; > *ak4531 = *_ak4531; > mutex_init(&ak4531->reg_mutex); > - if ((err = snd_component_add(card, "AK4531")) < 0) { > - snd_ak4531_free(ak4531); > - return err; > - } > + err = snd_component_add(card, "AK4531"); > + if (err < 0) > + goto free_ac; > + > strcpy(card->mixername, "Asahi Kasei AK4531"); > ak4531->write(ak4531, AK4531_RESET, 0x03); /* no RST, PD */ > udelay(100); > @@ -413,16 +413,16 @@ int snd_ak4531_mixer(struct snd_card *card, > ak4531->write(ak4531, idx, ak4531->regs[idx] = snd_ak4531_initial_map[idx]); /* recording source is mixer */ > } > for (idx = 0; idx < ARRAY_SIZE(snd_ak4531_controls); idx++) { > - if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_ak4531_controls[idx], ak4531))) < 0) { > - snd_ak4531_free(ak4531); > - return err; > - } > + err = snd_ctl_add(card, > + snd_ctl_new1(&snd_ak4531_controls[idx], > + ak4531)); > + if (err < 0) > + goto free_ac; > } > snd_ak4531_proc_init(card, ak4531); > - if ((err = snd_device_new(card, SNDRV_DEV_CODEC, ak4531, &ops)) < 0) { > - snd_ak4531_free(ak4531); > - return err; > - } > + err = snd_device_new(card, SNDRV_DEV_CODEC, ak4531, &ops); > + if (err < 0) > + goto free_ac; > > #if 0 > snd_ak4531_dump(ak4531); > @@ -430,6 +430,10 @@ int snd_ak4531_mixer(struct snd_card *card, > if (rak4531) > *rak4531 = ak4531; > return 0; > + > +free_ac: > + snd_ak4531_free(ak4531); > + return err; > } > > /* > -- > 2.15.0 > > -- > To unsubscribe from this list: send the line "unsubscribe kernel-janitors" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html >