From dfca78c8ee1d21d967b3a51d5488a8e8cd818ec4 Mon Sep 17 00:00:00 2001
From: Pingfan Liu <piliu@redhat.com>
Date: Thu, 10 Jun 2021 11:13:59 +0800
Subject: [PATCH 4/6] sysfs.c: don't leak fd if fail in sysfs_read()

Signed-off-by: Pingfan Liu <piliu@redhat.com>
---
 sysfs.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sysfs.c b/sysfs.c
index f1cdcdc..9ddf50d 100644
--- a/sysfs.c
+++ b/sysfs.c
@@ -17,10 +17,10 @@ hidden char *sysfs_read(char *name)
 	int n;
 	int fd;
 
-	fd = open(name, O_RDONLY);
 	buf = malloc(SYSFS_BLOCK);
 	if (!buf)
 		return NULL;
+	fd = open(name, O_RDONLY);
 	n = read(fd, buf, SYSFS_BLOCK - 1);
 	close(fd);
 	if (n <= 0) {
-- 
2.29.2