From mboxrd@z Thu Jan 1 00:00:00 1970 From: SF Markus Elfring Date: Sun, 04 Jan 2015 13:28:17 +0000 Subject: [PATCH 10/13] ALSA: sb: Delete an unnecessary check before the function call "snd_emux_free" Message-Id: <54A93FF1.3050108@users.sourceforge.net> List-Id: 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> <54A9355F.4050102@users.sourceforge.net> In-Reply-To: <54A9355F.4050102@users.sourceforge.net> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Jaroslav Kysela , Takashi Iwai , alsa-devel@alsa-project.org Cc: Julia Lawall , kernel-janitors@vger.kernel.org, LKML From: Markus Elfring Date: Sat, 3 Jan 2015 21:02:32 +0100 The snd_emux_free() function tests whether its argument is NULL and then returns immediately. Thus the test around the call is not needed. This issue was detected by using the Coccinelle software. Signed-off-by: Markus Elfring --- sound/isa/sb/emu8000_synth.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/sound/isa/sb/emu8000_synth.c b/sound/isa/sb/emu8000_synth.c index 95b39be..72332df 100644 --- a/sound/isa/sb/emu8000_synth.c +++ b/sound/isa/sb/emu8000_synth.c @@ -103,8 +103,7 @@ static int snd_emu8000_delete_device(struct snd_seq_device *dev) hw = dev->driver_data; if (hw->pcm) snd_device_free(dev->card, hw->pcm); - if (hw->emu) - snd_emux_free(hw->emu); + snd_emux_free(hw->emu); snd_util_memhdr_free(hw->memhdr); hw->emu = NULL; hw->memhdr = NULL; -- 2.2.1