isl_scheduler.c: add_inter_validity_constraints: avoid NULL pointer dereference
commit3bd153d6d705a9e4b4fe1d0d36ee25a17a4f4ce7
authorSven Verdoolaege <sven.verdoolaege@gmail.com>
Sat, 13 May 2017 13:18:35 +0000 (13 15:18 +0200)
committerSven Verdoolaege <sven.verdoolaege@gmail.com>
Tue, 16 May 2017 13:04:39 +0000 (16 15:04 +0200)
treedaff3ae874ba62f40d3f8681274fd257fd3701cd
parent90d4a3bcf6fdfab3d6f91091a0bb3d632293d726
isl_scheduler.c: add_inter_validity_constraints: avoid NULL pointer dereference

The actual potential NULL pointer dereference is further down
in the function, but it easier to check before anything has been
allocated.

Signed-off-by: Sven Verdoolaege <sven.verdoolaege@gmail.com>
isl_scheduler.c