[PATCH net-next 1/2] declance: Rate-limit DMA errors

From: Maciej W. Rozycki

Date: Sun Mar 29 2026 - 08:35:22 EST


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

Signed-off-by: Maciej W. Rozycki <macro@xxxxxxxxxxx>
---
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;
}