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authorLiam Girdwood <liam.r.girdwood@linux.intel.com>2017-06-06 16:45:09 +0200
committerMark Brown <broonie@kernel.org>2017-06-07 21:05:40 +0200
commitc3421a6a65abc636b067eb15a4c5e9cb59e91c95 (patch)
treeec50c022c5d5f32848a5883fb1a125633678120f /sound
parentASoC: topology: rephrase deferred binding warning. (diff)
downloadlinux-c3421a6a65abc636b067eb15a4c5e9cb59e91c95.tar.xz
linux-c3421a6a65abc636b067eb15a4c5e9cb59e91c95.zip
ASoC: topology: Dont free template strings whilst they are in use.
Template name pointers are copied when creating new widgets and are freed in widget destroy. Signed-off-by: Liam Girdwood <liam.r.girdwood@linux.intel.com> Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound')
-rw-r--r--sound/soc/soc-topology.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/sound/soc/soc-topology.c b/sound/soc/soc-topology.c
index f24d1f2e82a0..7006cf3007b5 100644
--- a/sound/soc/soc-topology.c
+++ b/sound/soc/soc-topology.c
@@ -1477,6 +1477,7 @@ static int soc_tplg_dapm_widget_create(struct soc_tplg *tplg,
if (template.id < 0)
return template.id;
+ /* strings are allocated here, but used and freed by the widget */
template.name = kstrdup(w->name, GFP_KERNEL);
if (!template.name)
return -ENOMEM;
@@ -1589,8 +1590,6 @@ widget:
widget->dobj.widget.kcontrol_type = kcontrol_type;
widget->dobj.ops = tplg->ops;
widget->dobj.index = tplg->index;
- kfree(template.sname);
- kfree(template.name);
list_add(&widget->dobj.list, &tplg->comp->dobj_list);
ret = soc_tplg_widget_ready(tplg, widget, w);