Backlight helper PID is set to -1 by default, if for some reason it's not set, we may end up with waitpid(-1, ...) which will hang forever. Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=90230 Signed-off-by: Olivier Fourdan <ofourdan@xxxxxxxxxx> --- src/backlight.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/backlight.c b/src/backlight.c index 84d8f76..c65e466 100644 --- a/src/backlight.c +++ b/src/backlight.c @@ -523,7 +523,7 @@ void backlight_disable(struct backlight *b) void backlight_close(struct backlight *b) { backlight_disable(b); - if (b->pid) + if (b->pid > 0) waitpid(b->pid, NULL, 0); } -- 2.3.6 _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/intel-gfx
