From e2b428cbb1fcbb71d56cdf6e5f640d11a2523c33 Mon Sep 17 00:00:00 2001
From: Rob Landley <rob@landley.net>
Date: Mon, 20 Mar 2006 01:43:29 +0000
Subject: Use lstat() instead of stat so /init being a symlink doesn't screw
people up. (And use it consistently, for size reasons.)
---
util-linux/switch_root.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/util-linux/switch_root.c b/util-linux/switch_root.c
index 1ba374076..e21838b65 100644
--- a/util-linux/switch_root.c
+++ b/util-linux/switch_root.c
@@ -36,7 +36,7 @@ static void delete_contents(char *directory)
struct stat st;
// Don't descend into other filesystems
- if (stat(directory,&st) || st.st_dev != rootdev) return;
+ if (lstat(directory,&st) || st.st_dev != rootdev) return;
// Recursively delete the contents of directories.
if (S_ISDIR(st.st_mode)) {
@@ -79,7 +79,7 @@ int switch_root_main(int argc, char *argv[])
newroot=argv[optind++];
- if (chdir(newroot) || stat(".", &st1) || stat("/", &st2) ||
+ if (chdir(newroot) || lstat(".", &st1) || lstat("/", &st2) ||
st1.st_dev == st2.st_dev)
{
bb_error_msg_and_die("bad newroot %s",newroot);
@@ -90,7 +90,7 @@ int switch_root_main(int argc, char *argv[])
// we mean it. (I could make this a CONFIG option, but I would get email
// from all the people who WILL eat their filesystemss.)
- if (stat("/init", &st1) || !S_ISREG(st1.st_mode) || statfs("/", &stfs) ||
+ if (lstat("/init", &st1) || !S_ISREG(st1.st_mode) || statfs("/", &stfs) ||
(stfs.f_type != RAMFS_MAGIC && stfs.f_type != TMPFS_MAGIC) ||
getpid() != 1)
{
--
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