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ARM: S3C64XX: DMA: Free node for non-circular queues

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We need to free the buff and lli nodes if the buffer queue is
not CIRCULAR.

Signed-off-by: Jassi Brar <jassi.brar@samsung.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
This commit is contained in:
Jassi Brar 2009-11-05 13:44:39 +09:00 committed by Ben Dooks
parent 9b08284bf2
commit 336b1a3181
1 changed files with 6 additions and 0 deletions
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6
arch/arm/plat-s3c64xx/dma.c
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@ -610,6 +610,12 @@ static irqreturn_t s3c64xx_dma_irq(int irq, void *pw)
s3c64xx_dma_bufffdone(chan, buff, res);
/* Free the node and update curr, if non-circular queue */
if (!(chan->flags & S3C2410_DMAF_CIRCULAR)) {
chan->curr = buff->next;
s3c64xx_dma_freebuff(buff);
}
/* Update 'next' */
buff = chan->next;
if (chan->next == chan->end) {