From: Harsh Prateek Bora <[email protected]>

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

Link: 
http://lkml.kernel.org/r/[email protected]

Signed-off-by: Harsh Prateek Bora <[email protected]>
Signed-off-by: Steven Rostedt <[email protected]>
---
 kernel/trace/trace_events.c |    5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/kernel/trace/trace_events.c b/kernel/trace/trace_events.c
index 27963e2..db086f1 100644
--- 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, ":");
-- 
1.7.10.4


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