From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752010AbaKCJpf (ORCPT ); Mon, 3 Nov 2014 04:45:35 -0500 Received: from cantor2.suse.de ([195.135.220.15]:44482 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751006AbaKCJpc (ORCPT ); Mon, 3 Nov 2014 04:45:32 -0500 Date: Mon, 03 Nov 2014 10:45:30 +0100 Message-ID: From: Takashi Iwai To: SF Markus Elfring Cc: Jaroslav Kysela , alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org, kernel-janitors@vger.kernel.org, trivial@kernel.org, Coccinelle Subject: Re: [PATCH 1/1] PCI: EMU10K1: Deletion of unnecessary checks before three function calls In-Reply-To: <54567788.9060008@users.sourceforge.net> References: <5307CAA2.8060406@users.sourceforge.net> <530A086E.8010901@users.sourceforge.net> <530A72AA.3000601@users.sourceforge.net> <530B5FB6.6010207@users.sourceforge.net> <530C5E18.1020800@users.sourceforge.net> <530CD2C4.4050903@users.sourceforge.net> <530CF8FF.8080600@users.sourceforge.net> <530DD06F.4090703@users.sourceforge.net> <5317A59D.4@users.sourceforge.net> <54567788.9060008@users.sourceforge.net> User-Agent: Wanderlust/2.15.9 (Almost Unreal) SEMI/1.14.6 (Maruoka) FLIM/1.14.9 (=?UTF-8?B?R29qxY0=?=) APEL/10.8 Emacs/24.3 (x86_64-suse-linux-gnu) MULE/6.0 (HANACHIRUSATO) MIME-Version: 1.0 (generated by SEMI 1.14.6 - "Maruoka") Content-Type: text/plain; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org At Sun, 02 Nov 2014 19:27:20 +0100, SF Markus Elfring wrote: > > The functions kfree(), release_firmware() and snd_util_memhdr_free() test > whether their argument is NULL and then return immediately. Thus the test > around the call is not needed. > > This issue was detected by using the Coccinelle software. > > Signed-off-by: Markus Elfring Your patch can't be applied cleanly due to your MUA breaking the lines. Please fix your MUA setup, or use an attachment if it's impossible, and resend the patch. Also, try to align the subject line with the relevant commits. See "git log sound/pci/emu10k1" thanks, Takashi > --- > sound/pci/emu10k1/emu10k1_main.c | 9 +++------ > sound/pci/emu10k1/emufx.c | 3 +-- > 2 files changed, 4 insertions(+), 8 deletions(-) > > diff --git a/sound/pci/emu10k1/emu10k1_main.c b/sound/pci/emu10k1/emu10k1_main.c > index 2292697..b4458a6 100644 > --- a/sound/pci/emu10k1/emu10k1_main.c > +++ b/sound/pci/emu10k1/emu10k1_main.c > @@ -1289,10 +1289,8 @@ static int snd_emu10k1_free(struct snd_emu10k1 *emu) > } > if (emu->emu1010.firmware_thread) > kthread_stop(emu->emu1010.firmware_thread); > - if (emu->firmware) > - release_firmware(emu->firmware); > - if (emu->dock_fw) > - release_firmware(emu->dock_fw); > + release_firmware(emu->firmware); > + release_firmware(emu->dock_fw); > if (emu->irq >= 0) > free_irq(emu->irq, emu); > /* remove reserved page */ > @@ -1301,8 +1299,7 @@ static int snd_emu10k1_free(struct snd_emu10k1 *emu) > (struct snd_util_memblk *)emu->reserved_page); > emu->reserved_page = NULL; > } > - if (emu->memhdr) > - snd_util_memhdr_free(emu->memhdr); > + snd_util_memhdr_free(emu->memhdr); > if (emu->silent_page.area) > snd_dma_free_pages(&emu->silent_page); > if (emu->ptb_pages.area) > diff --git a/sound/pci/emu10k1/emufx.c b/sound/pci/emu10k1/emufx.c > index 745f062..eb5c0ab 100644 > --- a/sound/pci/emu10k1/emufx.c > +++ b/sound/pci/emu10k1/emufx.c > @@ -777,8 +777,7 @@ static void snd_emu10k1_ctl_private_free(struct snd_kcontrol > *kctl) > kctl->private_value = 0; > list_del(&ctl->list); > kfree(ctl); > - if (kctl->tlv.p) > - kfree(kctl->tlv.p); > + kfree(kctl->tlv.p); > } > > static int snd_emu10k1_add_controls(struct snd_emu10k1 *emu, > -- > 2.1.3 > >