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path: root/sound/core/seq/seq_fifo.c
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Diffstat (limited to 'sound/core/seq/seq_fifo.c')
-rw-r--r--sound/core/seq/seq_fifo.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/sound/core/seq/seq_fifo.c b/sound/core/seq/seq_fifo.c
index 1d5acbe0c08b..86240d02b530 100644
--- a/sound/core/seq/seq_fifo.c
+++ b/sound/core/seq/seq_fifo.c
@@ -135,6 +135,7 @@ int snd_seq_fifo_event_in(struct snd_seq_fifo *f,
f->tail = cell;
if (f->head == NULL)
f->head = cell;
+ cell->next = NULL;
f->cells++;
spin_unlock_irqrestore(&f->lock, flags);
@@ -214,6 +215,8 @@ void snd_seq_fifo_cell_putback(struct snd_seq_fifo *f,
spin_lock_irqsave(&f->lock, flags);
cell->next = f->head;
f->head = cell;
+ if (!f->tail)
+ f->tail = cell;
f->cells++;
spin_unlock_irqrestore(&f->lock, flags);
}