evie/android_kernel_oneplus_msm8998
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Merge "ALSA: info: Protect list access of new entry"

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Linux Build Service Account 2017-09-24 11:54:02 -07:00 • committed by Gerrit - the friendly Code Review server
commit b95d667366
1 changed files with 4 additions and 1 deletions
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sound/core/info.c
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@ -754,8 +754,11 @@ snd_info_create_entry(const char *name, struct snd_info_entry *parent)
INIT_LIST_HEAD(&entry->children); INIT_LIST_HEAD(&entry->children);
INIT_LIST_HEAD(&entry->list); INIT_LIST_HEAD(&entry->list);
entry->parent = parent; entry->parent = parent;
if (parent) if (parent) {
mutex_lock(&parent->access);
list_add_tail(&entry->list, &parent->children); list_add_tail(&entry->list, &parent->children);
mutex_unlock(&parent->access);
}
return entry; return entry;
} }