The "data" parameter passed indirectly to the edma_callback() should be edma_chan and not the dma_chan.
This bug was so far harmless since the offset of struct dma_chan within struct edma_chan is 0. However as soon as someone changes struct edma_chan this would cause troubles. Signed-off-by: Petr Kulhavy <[email protected]> --- drivers/dma/edma.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/dma/edma.c b/drivers/dma/edma.c index 1465610..4c8208b 100644 --- a/drivers/dma/edma.c +++ b/drivers/dma/edma.c @@ -813,7 +813,7 @@ static int edma_alloc_chan_resources(struct dma_chan *chan) LIST_HEAD(descs); a_ch_num = edma_alloc_channel(echan->ch_num, edma_callback, - chan, EVENTQ_DEFAULT); + echan, EVENTQ_DEFAULT); if (a_ch_num < 0) { ret = -ENODEV; -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
