some __dynamic_array() buffer will only used at trace event output time,
change to __get_buf() which will allocate tempary trace seq buffer for
output purpose.
Signed-off-by: Linyu Yuan <quic_linyyuan@xxxxxxxxxxx>
---
v2: no change
drivers/usb/dwc3/trace.h | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)
diff --git a/drivers/usb/dwc3/trace.h b/drivers/usb/dwc3/trace.h
index 1975aec..d2997d1 100644
--- a/drivers/usb/dwc3/trace.h
+++ b/drivers/usb/dwc3/trace.h
@@ -54,14 +54,13 @@ DECLARE_EVENT_CLASS(dwc3_log_event,
TP_STRUCT__entry(
__field(u32, event)
__field(u32, ep0state)
- __dynamic_array(char, str, DWC3_MSG_MAX)
),
TP_fast_assign(
__entry->event = event;
__entry->ep0state = dwc->ep0state;
),
TP_printk("event (%08x): %s", __entry->event,
- dwc3_decode_event(__get_str(str), DWC3_MSG_MAX,
+ dwc3_decode_event(__get_buf(DWC3_MSG_MAX), DWC3_MSG_MAX,
__entry->event, __entry->ep0state))
);
@@ -79,7 +78,6 @@ DECLARE_EVENT_CLASS(dwc3_log_ctrl,
__field(__u16, wValue)
__field(__u16, wIndex)
__field(__u16, wLength)
- __dynamic_array(char, str, DWC3_MSG_MAX)
),
TP_fast_assign(
__entry->bRequestType = ctrl->bRequestType;
@@ -88,7 +86,7 @@ DECLARE_EVENT_CLASS(dwc3_log_ctrl,
__entry->wIndex = le16_to_cpu(ctrl->wIndex);
__entry->wLength = le16_to_cpu(ctrl->wLength);
),
- TP_printk("%s", usb_decode_ctrl(__get_str(str), DWC3_MSG_MAX,
+ TP_printk("%s", usb_decode_ctrl(__get_buf(DWC3_MSG_MAX), DWC3_MSG_MAX,
__entry->bRequestType,
__entry->bRequest, __entry->wValue,
__entry->wIndex, __entry->wLength)
--
2.7.4
