From: Markus Elfring <[email protected]>
Date: Mon, 17 Nov 2014 14:38:14 +0100

The free_arg() function tests whether its argument is NULL and then
returns immediately. Thus the test around the call is not needed.

This issue was detected by using the Coccinelle software.

Signed-off-by: Markus Elfring <[email protected]>
---
 tools/lib/traceevent/parse-filter.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/tools/lib/traceevent/parse-filter.c 
b/tools/lib/traceevent/parse-filter.c
index b502344..78debaf 100644
--- a/tools/lib/traceevent/parse-filter.c
+++ b/tools/lib/traceevent/parse-filter.c
@@ -1237,8 +1237,7 @@ filter_event(struct event_filter *filter, struct 
event_format *event,
        if (filter_type == NULL)
                return PEVENT_ERRNO__MEM_ALLOC_FAILED;
 
-       if (filter_type->filter)
-               free_arg(filter_type->filter);
+       free_arg(filter_type->filter);
        filter_type->filter = arg;
 
        return 0;
-- 
2.1.3

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