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Commit 0e1824c9 authored by Jiri Pirko's avatar Jiri Pirko Committed by David S. Miller
Browse files

tracing: change owner name to driver name for devlink hwmsg tracepoint 



Turned on that driver->owner which is struct module is not available when
modules are disabled. Better to depend on a driver name which is
always available.

Reported-by: default avatarRandy Dunlap <rdunlap@infradead.org>
Fixes: e5224f0f ("devlink: add hardware messages tracing facility")
Signed-off-by: default avatarJiri Pirko <jiri@mellanox.com>
Acked-by: default avatarRandy Dunlap <rdunlap@infradead.org>
Acked-by: default avatarSteven Rostedt <rostedt@goodmis.org>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent a1e3e737

include/trace/events/devlink.h

+4 −4
Original line number Diff line number Diff line
@@ -22,7 +22,7 @@ TRACE_EVENT(devlink_hwmsg, 
	TP_STRUCT__entry(

		__string(bus_name, devlink->dev->bus->name)

		__string(dev_name, dev_name(devlink->dev))

		__string(owner_name, devlink->dev->driver->owner->name)

		__string(driver_name, devlink->dev->driver->name)

		__field(bool, incoming)

		__field(unsigned long, type)

		__dynamic_array(u8, buf, len)
@@ -32,16 +32,16 @@ TRACE_EVENT(devlink_hwmsg, 
	TP_fast_assign(

		__assign_str(bus_name, devlink->dev->bus->name);

		__assign_str(dev_name, dev_name(devlink->dev));

		__assign_str(owner_name, devlink->dev->driver->owner->name);

		__assign_str(driver_name, devlink->dev->driver->name);

		__entry->incoming = incoming;

		__entry->type = type;

		memcpy(__get_dynamic_array(buf), buf, len);

		__entry->len = len;

	),



	TP_printk("bus_name=%s dev_name=%s owner_name=%s incoming=%d type=%lu buf=0x[%*phD] len=%lu",

	TP_printk("bus_name=%s dev_name=%s driver_name=%s incoming=%d type=%lu buf=0x[%*phD] len=%lu",

		  __get_str(bus_name), __get_str(dev_name),

		  __get_str(owner_name), __entry->incoming, __entry->type,

		  __get_str(driver_name), __entry->incoming, __entry->type,

		  (int) __entry->len, __get_dynamic_array(buf), __entry->len)

);