From 706fdc98c3d30687d1ce359f58424c87e253017c Mon Sep 17 00:00:00 2001
From: Denis Vlasenko <vda.linux@googlemail.com>
Date: Sat, 21 Apr 2007 23:28:03 +0000
Subject: [PATCH] find_root_device: use lstat - don't follow links

---
 libbb/find_root_device.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/libbb/find_root_device.c b/libbb/find_root_device.c
index 7182102c7..9779f7e82 100644
--- a/libbb/find_root_device.c
+++ b/libbb/find_root_device.c
@@ -41,7 +41,8 @@ static char *find_block_device_in_dir(struct arena *ap)
 
 	while ((entry = readdir(dir)) != NULL) {
 		safe_strncpy(ap->devpath + len, entry->d_name, rem);
-		if (stat(ap->devpath, &ap->st) != 0)
+		/* lstat: do not follow links */
+		if (lstat(ap->devpath, &ap->st) != 0)
 			continue;
 		if (S_ISBLK(ap->st.st_mode) && ap->st.st_rdev == ap->dev) {
 			retpath = xstrdup(ap->devpath);