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-rw-r--r--isl_sample.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/isl_sample.c b/isl_sample.c
index 3564f802..8a99d7e1 100644
--- a/isl_sample.c
+++ b/isl_sample.c
@@ -61,6 +61,10 @@ static struct isl_vec *interval_sample(struct isl_basic_set *bset)
return zero_sample(bset);
sample = isl_vec_alloc(bset->ctx, 2);
+ if (!sample)
+ goto error;
+ if (!bset)
+ return NULL;
isl_int_set_si(sample->block.data[0], 1);
if (bset->n_eq > 0) {