USB: mtu3: tracing: Use the new __vstring() helper

[platform/kernel/linux-starfive.git] / drivers / usb / mtu3 / mtu3_trace.h

diff --git a/drivers/usb/mtu3/mtu3_trace.h b/drivers/usb/mtu3/mtu3_trace.h
index 1b89763..a98fa01 100644 (file)
--- a/drivers/usb/mtu3/mtu3_trace.h
+++ b/drivers/usb/mtu3/mtu3_trace.h
@@ -18,18 +18,16 @@
 
 #include "mtu3.h"
 
-#define MTU3_MSG_MAX   256
-
 TRACE_EVENT(mtu3_log,
        TP_PROTO(struct device *dev, struct va_format *vaf),
        TP_ARGS(dev, vaf),
        TP_STRUCT__entry(
                __string(name, dev_name(dev))
-               __dynamic_array(char, msg, MTU3_MSG_MAX)
+               __vstring(msg, vaf->fmt, vaf->va)
        ),
        TP_fast_assign(
                __assign_str(name, dev_name(dev));
-               vsnprintf(__get_str(msg), MTU3_MSG_MAX, vaf->fmt, *vaf->va);
+               __assign_vstr(msg, vaf->fmt, vaf->va);
        ),
        TP_printk("%s: %s", __get_str(name), __get_str(msg))
 );