From: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxx>
mmap(2) mandates size is page aligned so check this in our wrappers.
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxx>
---
lib/i915/gem_mman.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/lib/i915/gem_mman.c b/lib/i915/gem_mman.c
index 3cf9a6bbdb31..084dbb3b3678 100644
--- a/lib/i915/gem_mman.c
+++ b/lib/i915/gem_mman.c
@@ -57,6 +57,8 @@ void *__gem_mmap__gtt(int fd, uint32_t handle, uint64_t size, unsigned prot)
struct drm_i915_gem_mmap_gtt mmap_arg;
void *ptr;
+ igt_assert(!(size & 4095));
+
memset(&mmap_arg, 0, sizeof(mmap_arg));
mmap_arg.handle = handle;
if (igt_ioctl(fd, DRM_IOCTL_I915_GEM_MMAP_GTT, &mmap_arg))
@@ -162,6 +164,8 @@ static void
{
struct drm_i915_gem_mmap arg;
+ igt_assert(!(size & 4095));
+
memset(&arg, 0, sizeof(arg));
arg.handle = handle;
arg.offset = offset;
--
2.19.1
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