提交 7bc4b81d 编写于 作者: O Oliver Neukum 提交者: Greg Kroah-Hartman

USB: ratelimit debounce error messages

flaky hardware can cause a lot of debounce failed messages. To limit
the performance impact, a ratelimit should be used.
Signed-off-by: NOliver Neukum <oneukum@suse.de>
Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>
上级 d2487cb4
......@@ -2443,7 +2443,7 @@ static void hub_port_connect_change(struct usb_hub *hub, int port1,
if (portchange & USB_PORT_STAT_C_CONNECTION) {
status = hub_port_debounce(hub, port1);
if (status < 0) {
if (status < 0 && printk_ratelimit()) {
dev_err (hub_dev,
"connect-debounce failed, port %d disabled\n",
port1);
......
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