From 6512f49fe6e381102eb4909ac9af940760793462 Mon Sep 17 00:00:00 2001
From: Daniel Eischen <deischen@FreeBSD.org>
Date: Wed, 17 Dec 2003 16:44:03 +0000
Subject: [PATCH] Return to the caller if write() returns 0.

PR:	59291
---
 lib/libc_r/uthread/uthread_write.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/lib/libc_r/uthread/uthread_write.c b/lib/libc_r/uthread/uthread_write.c
index 123a88e1e3c1..573e78e9e4d5 100644
--- a/lib/libc_r/uthread/uthread_write.c
+++ b/lib/libc_r/uthread/uthread_write.c
@@ -138,6 +138,8 @@ _write(int fd, const void *buf, size_t nbytes)
 					ret = num;
 				else
 					ret = n;
+				if (n == 0)
+					break;
 
 			/* Check if the write has completed: */
 			} else if (num >= nbytes)