1 files changed, 16 insertions, 6 deletions

diff --git a/kernel/trace/trace_syscalls.c b/kernel/trace/trace_syscalls.c
index cb654542c1a1..96fc73369099 100644
--- a/kernel/trace/trace_syscalls.c
+++ b/kernel/trace/trace_syscalls.c
@@ -17,9 +17,9 @@ static DECLARE_BITMAP(enabled_enter_syscalls, NR_syscalls);
 static DECLARE_BITMAP(enabled_exit_syscalls, NR_syscalls);
 
 static int syscall_enter_register(struct ftrace_event_call *event,
-                                 enum trace_reg type);
+                                 enum trace_reg type, void *data);
 static int syscall_exit_register(struct ftrace_event_call *event,
-                                 enum trace_reg type);
+                                 enum trace_reg type, void *data);
 
 static int syscall_enter_define_fields(struct ftrace_event_call *call);
 static int syscall_exit_define_fields(struct ftrace_event_call *call);
@@ -468,8 +468,8 @@ int __init init_ftrace_syscalls(void)
         unsigned long addr;
         int i;
 
-        syscalls_metadata = kzalloc(sizeof(*syscalls_metadata) *
-                                        NR_syscalls, GFP_KERNEL);
+        syscalls_metadata = kcalloc(NR_syscalls, sizeof(*syscalls_metadata),
+                                    GFP_KERNEL);
         if (!syscalls_metadata) {
                 WARN_ON(1);
                 return -ENOMEM;
@@ -649,7 +649,7 @@ void perf_sysexit_disable(struct ftrace_event_call *call)
 #endif /* CONFIG_PERF_EVENTS */
 
 static int syscall_enter_register(struct ftrace_event_call *event,
-                                 enum trace_reg type)
+                                 enum trace_reg type, void *data)
 {
         switch (type) {
         case TRACE_REG_REGISTER:
@@ -664,13 +664,18 @@ static int syscall_enter_register(struct ftrace_event_call *event,
         case TRACE_REG_PERF_UNREGISTER:
                 perf_sysenter_disable(event);
                 return 0;
+        case TRACE_REG_PERF_OPEN:
+        case TRACE_REG_PERF_CLOSE:
+        case TRACE_REG_PERF_ADD:
+        case TRACE_REG_PERF_DEL:
+                return 0;
 #endif
         }
         return 0;
 }
 
 static int syscall_exit_register(struct ftrace_event_call *event,
-                                 enum trace_reg type)
+                                 enum trace_reg type, void *data)
 {
         switch (type) {
         case TRACE_REG_REGISTER:
@@ -685,6 +690,11 @@ static int syscall_exit_register(struct ftrace_event_call *event,
         case TRACE_REG_PERF_UNREGISTER:
                 perf_sysexit_disable(event);
                 return 0;
+        case TRACE_REG_PERF_OPEN:
+        case TRACE_REG_PERF_CLOSE:
+        case TRACE_REG_PERF_ADD:
+        case TRACE_REG_PERF_DEL:
+                return 0;
 #endif
         }
         return 0;