tracing/trivial: Consolidate error return condition

Consolidate the checks for !enabled and !param to return -EINVAL
in event_enable_func().

Link: http://lkml.kernel.org/r/1369380137-12452-1-git-send-email-harsh@linux.vnet.ibm.com
Signed-off-by: Harsh Prateek Bora <harsh@linux.vnet.ibm.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>

diff --git a/kernel/trace/trace_events.c b/kernel/trace/trace_events.c
index 27963e2..db086f1 100644 (file)
--- a/kernel/trace/trace_events.c
+++ b/kernel/trace/trace_events.c
@@ -2011,10 +2011,7 @@ event_enable_func(struct ftrace_hash *hash,
        int ret;
 
        /* hash funcs only work with set_ftrace_filter */
-       if (!enabled)
-               return -EINVAL;
-
-       if (!param)
+       if (!enabled || !param)
                return -EINVAL;
 
        system = strsep(&param, ":");