From: Rich Felker <dalias@aerifal.cx>
Date: Tue, 19 Apr 2011 01:22:14 +0000 (-0400)
Subject: avoid fd leak if opendir is cancelled when calloc has failed
X-Git-Url: http://nsz.repo.hu/git/?p=musl;a=commitdiff_plain;h=75a0be1f65f400489cc09b20a92a4569ad2b0782;hp=df9e11bb063446df760e8f7c62ea5eb6ba3faa34

avoid fd leak if opendir is cancelled when calloc has failed
---

diff --git a/src/dirent/opendir.c b/src/dirent/opendir.c
index cefe6ce7..928742c0 100644
--- a/src/dirent/opendir.c
+++ b/src/dirent/opendir.c
@@ -7,6 +7,7 @@
 #include <unistd.h>
 #include <limits.h>
 #include "__dirent.h"
+#include "syscall.h"
 
 DIR *opendir(const char *name)
 {
@@ -17,7 +18,7 @@ DIR *opendir(const char *name)
 		return 0;
 	fcntl(fd, F_SETFD, FD_CLOEXEC);
 	if (!(dir = calloc(1, sizeof *dir))) {
-		close(fd);
+		__syscall(SYS_close, fd);
 		return 0;
 	}
 	dir->fd = fd;