diff options
Diffstat (limited to 'kernel/trace/trace_functions.c')
| -rw-r--r-- | kernel/trace/trace_functions.c | 24 |
1 files changed, 5 insertions, 19 deletions
diff --git a/kernel/trace/trace_functions.c b/kernel/trace/trace_functions.c index 38cfb29..a88a3e0 100644 --- a/kernel/trace/trace_functions.c +++ b/kernel/trace/trace_functions.c @@ -283,22 +283,6 @@ ftrace_trace_onoff_print(struct seq_file *m, unsigned long ip, } static int -ftrace_trace_onoff_unreg(char *glob, char *cmd, char *param) -{ - struct ftrace_probe_ops *ops; - - /* we register both traceon and traceoff to this callback */ - if (strcmp(cmd, "traceon") == 0) - ops = &traceon_probe_ops; - else - ops = &traceoff_probe_ops; - - unregister_ftrace_function_probe_func(glob, ops); - - return 0; -} - -static int ftrace_trace_onoff_callback(struct ftrace_hash *hash, char *glob, char *cmd, char *param, int enable) { @@ -311,15 +295,17 @@ ftrace_trace_onoff_callback(struct ftrace_hash *hash, if (!enable) return -EINVAL; - if (glob[0] == '!') - return ftrace_trace_onoff_unreg(glob+1, cmd, param); - /* we register both traceon and traceoff to this callback */ if (strcmp(cmd, "traceon") == 0) ops = &traceon_probe_ops; else ops = &traceoff_probe_ops; + if (glob[0] == '!') { + unregister_ftrace_function_probe_func(glob+1, ops); + return 0; + } + if (!param) goto out_reg; |