Commit e2c114c0 authored by Nicolas Ferre's avatar Nicolas Ferre Committed by Vinod Koul

dmaengine: at_xdmac: remove BUG_ON macro in tasklet

Even if this case shouldn't happen when controller is properly programmed,
it's still better to avoid dumping a kernel Oops for this.
As the sequence may happen only for debugging purposes, log the error and
just finish the tasklet call.
Signed-off-by: default avatarNicolas Ferre <nicolas.ferre@microchip.com>
Acked-by: default avatarLudovic Desroches <ludovic.desroches@microchip.com>
Signed-off-by: default avatarVinod Koul <vkoul@kernel.org>
parent 23b84639
...@@ -1606,7 +1606,11 @@ static void at_xdmac_tasklet(unsigned long data) ...@@ -1606,7 +1606,11 @@ static void at_xdmac_tasklet(unsigned long data)
struct at_xdmac_desc, struct at_xdmac_desc,
xfer_node); xfer_node);
dev_vdbg(chan2dev(&atchan->chan), "%s: desc 0x%p\n", __func__, desc); dev_vdbg(chan2dev(&atchan->chan), "%s: desc 0x%p\n", __func__, desc);
BUG_ON(!desc->active_xfer); if (!desc->active_xfer) {
dev_err(chan2dev(&atchan->chan), "Xfer not active: exiting");
spin_unlock_bh(&atchan->lock);
return;
}
txd = &desc->tx_dma_desc; txd = &desc->tx_dma_desc;
......
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