kernel_printf: don't segfault on invalid code
commit6e25292d0a97bf1b71e33ed775f75f32afae946f
authorDan Carpenter <dan.carpenter@oracle.com>
Sat, 4 Nov 2017 05:59:12 +0000 (4 08:59 +0300)
committerDan Carpenter <dan.carpenter@oracle.com>
Sat, 4 Nov 2017 05:59:12 +0000 (4 08:59 +0300)
treeb5e0209900c37c5923f1abaae00dad83fec3e9a7
parent3ea5460b1e85353a6e29610575562568b0f0a464
kernel_printf: don't segfault on invalid code

"expr" can be NULL f there are fewer arguments than we need because it's
parsing invalid code.

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