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-rw-r--r--util/fdmon-poll.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/util/fdmon-poll.c b/util/fdmon-poll.c
index 488067b679..5fe3b47865 100644
--- a/util/fdmon-poll.c
+++ b/util/fdmon-poll.c
@@ -73,6 +73,7 @@ static int fdmon_poll_wait(AioContext *ctx, AioHandlerList *ready_list,
 
     /* epoll(7) is faster above a certain number of fds */
     if (fdmon_epoll_try_upgrade(ctx, npfd)) {
+        npfd = 0; /* we won't need pollfds[], reset npfd */
         return ctx->fdmon_ops->wait(ctx, ready_list, timeout);
     }