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Diffstat (limited to 'samples/tracepoints/tracepoint-probe-sample.c')
-rw-r--r--samples/tracepoints/tracepoint-probe-sample.c13
1 files changed, 7 insertions, 6 deletions
diff --git a/samples/tracepoints/tracepoint-probe-sample.c b/samples/tracepoints/tracepoint-probe-sample.c
index 9e60eb6ca2d8..744c0b9652a7 100644
--- a/samples/tracepoints/tracepoint-probe-sample.c
+++ b/samples/tracepoints/tracepoint-probe-sample.c
@@ -13,7 +13,8 @@
* Here the caller only guarantees locking for struct file and struct inode.
* Locking must therefore be done in the probe to use the dentry.
*/
-static void probe_subsys_event(struct inode *inode, struct file *file)
+static void probe_subsys_event(void *ignore,
+ struct inode *inode, struct file *file)
{
path_get(&file->f_path);
dget(file->f_path.dentry);
@@ -23,7 +24,7 @@ static void probe_subsys_event(struct inode *inode, struct file *file)
path_put(&file->f_path);
}
-static void probe_subsys_eventb(void)
+static void probe_subsys_eventb(void *ignore)
{
printk(KERN_INFO "Event B is encountered\n");
}
@@ -32,9 +33,9 @@ static int __init tp_sample_trace_init(void)
{
int ret;
- ret = register_trace_subsys_event(probe_subsys_event);
+ ret = register_trace_subsys_event(probe_subsys_event, NULL);
WARN_ON(ret);
- ret = register_trace_subsys_eventb(probe_subsys_eventb);
+ ret = register_trace_subsys_eventb(probe_subsys_eventb, NULL);
WARN_ON(ret);
return 0;
@@ -44,8 +45,8 @@ module_init(tp_sample_trace_init);
static void __exit tp_sample_trace_exit(void)
{
- unregister_trace_subsys_eventb(probe_subsys_eventb);
- unregister_trace_subsys_event(probe_subsys_event);
+ unregister_trace_subsys_eventb(probe_subsys_eventb, NULL);
+ unregister_trace_subsys_event(probe_subsys_event, NULL);
tracepoint_synchronize_unregister();
}