initialize left and right for equal op

The equal '=' op did not have the left and right arguments initialized
in the switch statement.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>

1 files changed, 3 insertions, 0 deletions

diff --git a/parse-events.c b/parse-events.c
index 288af2b..390a784 100644
--- a/parse-events.c
+++ b/parse-events.c
@@ -1278,6 +1278,9 @@ static long long arg_num_eval(struct print_arg *arg)
                         }
                         break;
                 case '=':
+                        left = arg_num_eval(arg->op.left);
+                        right = arg_num_eval(arg->op.right);
+
                         if (arg->op.op[1] != '=')
                                 die("unknown op '%s'", arg->op.op);