diff --git a/arch/arm/plat-s3c24xx/dma.c b/arch/arm/plat-s3c24xx/dma.c index db98e7021f0daf7507fe55f91f1e73ef761a6dc3..0abd1c4698875f4edbb5be3cd506206c676019b6 100644 --- a/arch/arm/plat-s3c24xx/dma.c +++ b/arch/arm/plat-s3c24xx/dma.c @@ -473,12 +473,13 @@ int s3c2410_dma_enqueue(enum dma_ch channel, void *id, pr_debug("dma%d: %s: buffer %p queued onto non-empty channel\n", chan->number, __func__, buf); - if (chan->end == NULL) + if (chan->end == NULL) { pr_debug("dma%d: %s: %p not empty, and chan->end==NULL?\n", chan->number, __func__, chan); - - chan->end->next = buf; - chan->end = buf; + } else { + chan->end->next = buf; + chan->end = buf; + } } /* if necessary, update the next buffer field */