sval: math: don't call sval_binop() with bogus data
commit0c70a65e690d8fee705fead43ceab50c1a1ec5aa
authorDan Carpenter <dan.carpenter@oracle.com>
Fri, 9 Nov 2012 17:33:06 +0000 (9 20:33 +0300)
committerDan Carpenter <dan.carpenter@oracle.com>
Fri, 9 Nov 2012 17:33:06 +0000 (9 20:33 +0300)
treeeb0cec1c06d3f6836a08703fbde4b3c1de37e34e
parent347088b2a2b54dc5ee6fff7eae38df339caac9bc
sval: math: don't call sval_binop() with bogus data

Do a check for *undefined before calling sval_binop().

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