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[RFC,alsa-lib,4/5] pcm: Remove superfluous rmb() from PCM meter plugin

Message ID 20160705152024.20152-5-tiwai@suse.de (mailing list archive)
State New, archived
Headers show

Commit Message

Takashi Iwai July 5, 2016, 3:20 p.m. UTC
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>
---
 src/pcm/pcm_meter.c | 1 -
 1 file changed, 1 deletion(-)
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Patch

diff --git a/src/pcm/pcm_meter.c b/src/pcm/pcm_meter.c
index 1b0ccb40b3dd..d71af7a683e0 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);