lib: make igt_install_exit_handler never fail

Most callers didn't bother checking, so just move the asserts into
the function itself.

Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

1 files changed, 1 insertions, 1 deletions

diff --git a/lib/drmtest.h b/lib/drmtest.h
index 6e8b16b5..be0632f4 100644
--- a/lib/drmtest.h
+++ b/lib/drmtest.h
@@ -389,7 +389,7 @@ uint32_t drm_format_to_bpp(uint32_t drm_format);
 typedef void (*igt_exit_handler_t)(int sig);
 
 /* reliable atexit helpers, also work when killed by a signal (if possible) */
-int igt_install_exit_handler(igt_exit_handler_t fn);
+void igt_install_exit_handler(igt_exit_handler_t fn);
 void igt_enable_exit_handler(void);
 void igt_disable_exit_handler(void);