Prevent the system from becoming unusable due to a flood of DMA error
messages.

Signed-off-by: Maciej W. Rozycki <macro@orcam.me.uk>
---
No change from v1.
---
 drivers/net/ethernet/amd/declance.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

linux-declance-ratelimit.diff
Index: linux-macro/drivers/net/ethernet/amd/declance.c
===================================================================
--- linux-macro.orig/drivers/net/ethernet/amd/declance.c
+++ linux-macro/drivers/net/ethernet/amd/declance.c
@@ -727,7 +727,7 @@ static irqreturn_t lance_dma_merr_int(in
 {
 	struct net_device *dev = dev_id;
 
-	printk(KERN_ERR "%s: DMA error\n", dev->name);
+	pr_err_ratelimited("%s: DMA error\n", dev->name);
 	return IRQ_HANDLED;
 }