states: don't __unnullify_path unnecessarily
commitc7a2f18ab7994a35f90478a6dc57d9b20bc58971
authorDan Carpenter <dan.carpenter@oracle.com>
Wed, 5 Mar 2014 12:50:47 +0000 (5 15:50 +0300)
committerDan Carpenter <dan.carpenter@oracle.com>
Wed, 5 Mar 2014 12:50:47 +0000 (5 15:50 +0300)
treede79e2440a023a8ff0f8737f9a7c504dfbd1cb83
parent9d6962bad2b6f2a142edf03690bd31d3caf01f25
states: don't __unnullify_path unnecessarily

If there is already something in the cur_stree then we don't need to
unnullify it.  This also means that we doing fewer clones in merge_slist()
because the strees are the same.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
smatch_states.c