From: Rich Felker <dalias@aerifal.cx>
Date: Thu, 27 Jun 2013 01:41:51 +0000 (-0400)
Subject: fix temp file leak in sem_open on successful creation of new semaphore
X-Git-Url: http://nsz.repo.hu/git/?p=musl;a=commitdiff_plain;h=7c20a11801fd56cbadac5a6e88ddddf8656ac1bc;ds=sidebyside

fix temp file leak in sem_open on successful creation of new semaphore
---

diff --git a/src/thread/sem_open.c b/src/thread/sem_open.c
index 66f12ee4..9a95d257 100644
--- a/src/thread/sem_open.c
+++ b/src/thread/sem_open.c
@@ -123,9 +123,9 @@ sem_t *sem_open(const char *name, int flags, ...)
 			goto fail;
 		}
 		close(fd);
-		if (link(tmp, name) == 0) break;
-		e = errno;
+		e = link(tmp, name) ? errno : 0;
 		unlink(tmp);
+		if (!e) break;
 		/* Failure is only fatal when doing an exclusive open;
 		 * otherwise, next iteration will try to open the
 		 * existing file. */