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authorTakashi Iwai <tiwai@suse.de>2019-07-03 14:35:12 +0200
committerTakashi Iwai <tiwai@suse.de>2019-07-05 12:01:06 +0200
commit774a075ab5140bb4504e6026bf327021926c3e65 (patch)
treef1d8252e2adc8f0f6ca3bb142f5b612699f8cc7e /sound/pci
parent3450121997ce872eb7f1248417225827ea249710 (diff)
ALSA: hda: Simplify snd_hdac_refresh_widgets()
Along with the recent fix for the races of snd_hdac_refresh_widgets() it turned out that the instantiation of widgets sysfs at snd_hdac_sysfs_reinit() could cause a race. The race itself was already covered later by extending the mutex protection range, the commit 98482377dc72 ("ALSA: hda: Fix widget_mutex incomplete protection"), but this also indicated that the call of *_reinit() is basically superfluous, as the widgets shall be created sooner or later from snd_hdac_device_register(). This patch removes the redundant call of snd_hdac_sysfs_reinit() at first. By this removal, the sysfs argument itself in snd_hdac_refresh_widgets() becomes superfluous, too, because the only case sysfs=false is always with codec->widgets=NULL. So, we drop this redundant argument as well. Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/pci')
-rw-r--r--sound/pci/hda/hda_codec.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c
index fcdf2cd3783b..d1a0e0de80ac 100644
--- a/sound/pci/hda/hda_codec.c
+++ b/sound/pci/hda/hda_codec.c
@@ -1016,7 +1016,7 @@ int snd_hda_codec_update_widgets(struct hda_codec *codec)
hda_nid_t fg;
int err;
- err = snd_hdac_refresh_widgets(&codec->core, true);
+ err = snd_hdac_refresh_widgets(&codec->core);
if (err < 0)
return err;