On Mon, Jul 8, 2024 at 6:47 AM Zenghui Yu <yuzenghui@xxxxxxxxxx> wrote: > > Even if a vgem device is configured in, we will skip the import_vgem_fd() > test almost every time. > > TAP version 13 > 1..11 > # Testing heap: system > # ======================================= > # Testing allocation and importing: > ok 1 # SKIP Could not open vgem -1 > > The problem is that we use the DRM_IOCTL_VERSION ioctl to query the driver > version information but leave the name field a non-null-terminated string. > Terminate it properly to actually test against the vgem device. Hm yeah. Looks like drm_copy_field resets version.name to the actual size of the name in the case of truncation, so maybe worth checking that too in case there is a name like "vgemfoo" that gets converted to "vgem\0" by this? > > Signed-off-by: Zenghui Yu <yuzenghui@xxxxxxxxxx> > --- > tools/testing/selftests/dmabuf-heaps/dmabuf-heap.c | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/tools/testing/selftests/dmabuf-heaps/dmabuf-heap.c b/tools/testing/selftests/dmabuf-heaps/dmabuf-heap.c > index 5f541522364f..2fcc74998fa9 100644 > --- a/tools/testing/selftests/dmabuf-heaps/dmabuf-heap.c > +++ b/tools/testing/selftests/dmabuf-heaps/dmabuf-heap.c > @@ -32,6 +32,8 @@ static int check_vgem(int fd) > if (ret) > return 0; > > + name[4] = '\0'; > + > return !strcmp(name, "vgem"); > } > > -- > 2.33.0 >
