ALSA: info: Protect list access of new entry



At bootup, two different contexts access same list
result in crash. Add mutex lock protect around list access.

CRs-Fixed: 2060390
Change-Id: I648db0a96c507c7e3ad9a5bb7d59021ebf86b27e
Signed-off-by: Laxminath Kasam <lkasam@codeaurora.org>

parent 5059309c

sound/core/info.c

+4 −1

Original line number	Diff line number	Diff line
		@@ -735,8 +735,11 @@ snd_info_create_entry(const char name, struct snd_info_entry parent)
		INIT_LIST_HEAD(&entry->children);
		INIT_LIST_HEAD(&entry->list);
		entry->parent = parent;
		if (parent)
		if (parent) {
		mutex_lock(&parent->access);
		list_add_tail(&entry->list, &parent->children);
		mutex_unlock(&parent->access);
		}
		return entry;
		}