Fix handling of compat_ppoll when no timeout is specified

1 files changed, 6 insertions, 1 deletions

diff --git a/common/ppoll.h b/common/ppoll.h
index d9096901..7d09d44d 100644
--- a/common/ppoll.h
+++ b/common/ppoll.h
@@ -7,5 +7,10 @@
 static inline int compat_ppoll(struct pollfd *fds, nfds_t nfds,
 		const struct timespec *timeout, const sigset_t *sigmask)
 {
-	return poll(fds, nfds, timeout ? timeout->tv_sec * 1000 : 500);
+	if (timeout == NULL)
+		return poll(fds, nfds, -1);
+	else if (timeout->tv_sec == 0)
+		return poll(fds, nfds, 500);
+	else
+		return poll(fds, nfds, timeout->tv_sec * 1000);
 }