igt/vgem_basic: Exercise opening sysfs/debugfs

For fun, debugfs/.../names currently explodes, so lets capture that and
make sure that basic access to debugfs does no harm.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>

1 files changed, 1 insertions, 0 deletions

diff --git a/lib/igt_sysfs.c b/lib/igt_sysfs.c
index 1b31d7af..61b94c64 100644
--- a/lib/igt_sysfs.c
+++ b/lib/igt_sysfs.c
@@ -179,6 +179,7 @@ char *igt_sysfs_get(int dir, const char *attr)
 		if (!newbuf)
 			break;
 
+		buf = newbuf;
 		len *= 2;
 		offset += ret;
 		rem = len - offset - 1;