1 files changed, 1 insertions, 1 deletions

diff --git a/sound/core/info.c b/sound/core/info.c
index 4188f76add75..c8eeaea9d695 100644
--- a/sound/core/info.c
+++ b/sound/core/info.c
@@ -267,7 +267,7 @@ static ssize_t snd_info_entry_write(struct file *file, const char __user *buffer
                 buf = data->wbuffer;
                 if (buf == NULL)
                         return -EIO;
-                mutex_unlock(&entry->access);
+                mutex_lock(&entry->access);
                 if (pos + count >= buf->len) {
                         if (resize_info_buffer(buf, pos + count)) {
                                 mutex_unlock(&entry->access);