From: Takashi Iwai <tiwai@suse.de>
Date: Thu, 30 Jun 2016 19:56:41 +0000 (+0200)
Subject: pcm: Remove superfluous rmb() from PCM meter plugin
X-Git-Tag: v1.1.2~97
X-Git-Url: https://git.alsa-project.org/?a=commitdiff_plain;h=97fce6607778844fed04caaeced68b7e18b8d91c;p=alsa-lib.git

pcm: Remove superfluous rmb() from PCM meter plugin

rmb() is still left in the code without any actual meaning there just
before the atomic operation.  Let's clean it up.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
---

diff --git a/src/pcm/pcm_meter.c b/src/pcm/pcm_meter.c
index 1b0ccb40..d71af7a6 100644
--- a/src/pcm/pcm_meter.c
+++ b/src/pcm/pcm_meter.c
@@ -136,7 +136,6 @@ static int snd_pcm_meter_update_scope(snd_pcm_t *pcm)
  _again:
 	rptr = *pcm->hw.ptr;
 	old_rptr = meter->rptr;
-	rmb();
 	if (atomic_read(&meter->reset)) {
 		reset = 1;
 		atomic_dec(&meter->reset);