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 <petr@xxxxxxxxx>
---
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
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