isl_vec_dup: avoid invalid accesses on error

Signed-off-by: Sven Verdoolaege <skimo@kotnet.org>

diff --git a/isl_vec.c b/isl_vec.c
index a27fcba..ce17449 100644 (file)
--- a/isl_vec.c
+++ b/isl_vec.c
@@ -136,6 +136,8 @@ struct isl_vec *isl_vec_dup(struct isl_vec *vec)
        if (!vec)
                return NULL;
        vec2 = isl_vec_alloc(vec->ctx, vec->size);
+       if (!vec2)
+               return NULL;
        isl_seq_cpy(vec2->el, vec->el, vec->size);
        return vec2;
 }