symbol: let is_ptr_type() take NULL pointers
commit688fc09b3bd49a50d2218c8a220e4d2b398cb093
authorDan Carpenter <dan.carpenter@oracle.com>
Fri, 27 Oct 2017 05:45:19 +0000 (27 08:45 +0300)
committerDan Carpenter <dan.carpenter@oracle.com>
Fri, 27 Oct 2017 05:45:19 +0000 (27 08:45 +0300)
treef19cf2d3c3c0599f343df0e880fcd7b88d7f0fd8
parent19549432632cc32f3e95fb5b6a53328b58487f48
symbol: let is_ptr_type() take NULL pointers

Smatch sometimes has places where we can't figure out the type...

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
symbol.h