igt/gem_userptr_blits: Add missing RAM check before coherency tests

References: https://bugs.freedesktop.org/show_bug.cgi?id=79237
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>

diff --git a/tests/gem_userptr_blits.c b/tests/gem_userptr_blits.c
index 454db58..11aa21e 100644 (file)
--- a/tests/gem_userptr_blits.c
+++ b/tests/gem_userptr_blits.c
@@ -835,6 +835,7 @@ static int test_coherency(int fd, int count)
        uint32_t start = 0;
        int i, ret;
 
+       igt_require(count, sizeof(linear), CHECK_RAM);
        igt_info("Using 2x%d 1MiB buffers\n", count);
 
        ret = posix_memalign((void **)&memory, PAGE_SIZE, count*sizeof(linear));