1 files changed, 11 insertions, 7 deletions

diff --git a/kernel/trace/trace_syscalls.c b/kernel/trace/trace_syscalls.c
index 4f5fae6fad90..8712ce3c6a0e 100644
--- a/kernel/trace/trace_syscalls.c
+++ b/kernel/trace/trace_syscalls.c
@@ -223,6 +223,7 @@ void ftrace_syscall_enter(struct pt_regs *regs, long id)
         struct syscall_trace_enter *entry;
         struct syscall_metadata *sys_data;
         struct ring_buffer_event *event;
+        struct ring_buffer *buffer;
         int size;
         int syscall_nr;
 
@@ -238,8 +239,8 @@ void ftrace_syscall_enter(struct pt_regs *regs, long id)
 
         size = sizeof(*entry) + sizeof(unsigned long) * sys_data->nb_args;
 
-        event = trace_current_buffer_lock_reserve(sys_data->enter_id, size,
-                                                        0, 0);
+        event = trace_current_buffer_lock_reserve(&buffer, sys_data->enter_id,
+                                                  size, 0, 0);
         if (!event)
                 return;
 
@@ -247,8 +248,9 @@ void ftrace_syscall_enter(struct pt_regs *regs, long id)
         entry->nr = syscall_nr;
         syscall_get_arguments(current, regs, 0, sys_data->nb_args, entry->args);
 
-        if (!filter_current_check_discard(sys_data->enter_event, entry, event))
-                trace_current_buffer_unlock_commit(event, 0, 0);
+        if (!filter_current_check_discard(buffer, sys_data->enter_event,
+                                          entry, event))
+                trace_current_buffer_unlock_commit(buffer, event, 0, 0);
 }
 
 void ftrace_syscall_exit(struct pt_regs *regs, long ret)
@@ -256,6 +258,7 @@ void ftrace_syscall_exit(struct pt_regs *regs, long ret)
         struct syscall_trace_exit *entry;
         struct syscall_metadata *sys_data;
         struct ring_buffer_event *event;
+        struct ring_buffer *buffer;
         int syscall_nr;
 
         syscall_nr = syscall_get_nr(current, regs);
@@ -268,7 +271,7 @@ void ftrace_syscall_exit(struct pt_regs *regs, long ret)
         if (!sys_data)
                 return;
 
-        event = trace_current_buffer_lock_reserve(sys_data->exit_id,
+        event = trace_current_buffer_lock_reserve(&buffer, sys_data->exit_id,
                                 sizeof(*entry), 0, 0);
         if (!event)
                 return;
@@ -277,8 +280,9 @@ void ftrace_syscall_exit(struct pt_regs *regs, long ret)
         entry->nr = syscall_nr;
         entry->ret = syscall_get_return_value(current, regs);
 
-        if (!filter_current_check_discard(sys_data->exit_event, entry, event))
-                trace_current_buffer_unlock_commit(event, 0, 0);
+        if (!filter_current_check_discard(buffer, sys_data->exit_event,
+                                          entry, event))
+                trace_current_buffer_unlock_commit(buffer, event, 0, 0);
 }
 
 int reg_event_syscall_enter(void *ptr)