db: split return states by null vs non-null parameter
commit74821044e665cfd6dc4d880a21b2f17ae77f68f2
authorDan Carpenter <dan.carpenter@oracle.com>
Fri, 27 Jan 2017 09:33:57 +0000 (27 12:33 +0300)
committerDan Carpenter <dan.carpenter@oracle.com>
Fri, 27 Jan 2017 09:33:57 +0000 (27 12:33 +0300)
tree79e1e697658339f965b00265449ddf31272dd1de
parenteb5c7abab93315686e78b2637aa2a3e7a9a95b76
db: split return states by null vs non-null parameter

It's really common to do something like:

void my_free(struct foo *p)
{
if (p)
free(p);
}

So we can split the return states using that heuristic.

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