From: Denis Vlasenko <vda.linux@googlemail.com>
Date: Sat, 21 Apr 2007 23:28:03 +0000 (-0000)
Subject: find_root_device: use lstat - don't follow links
X-Git-Tag: 1_6_0~119
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=706fdc98c3d30687d1ce359f58424c87e253017c;p=oweals%2Fbusybox.git

find_root_device: use lstat - don't follow links
---

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);