From 3ae959af95fbf3620da67d26ee483f716ccb63b4 Mon Sep 17 00:00:00 2001
From: topjohnwu <topjohnwu@gmail.com>
Date: Thu, 19 Jul 2018 17:43:37 +0800
Subject: [PATCH] Do not early mount on symlinks on half Treble devices

Fix #399
---
 native/jni/core/magiskinit.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/native/jni/core/magiskinit.c b/native/jni/core/magiskinit.c
index 3a91522cc..820dab8c8 100644
--- a/native/jni/core/magiskinit.c
+++ b/native/jni/core/magiskinit.c
@@ -157,6 +157,12 @@ static int strend(const char *s1, const char *s2) {
 
 static int read_fstab_dt(const struct cmdline *cmd, const char *mnt_point, char *partname) {
 	char buf[128];
+	struct stat st;
+	sprintf(buf, "/%s", mnt_point);
+	lstat(buf, &st);
+	// Don't early mount if the mount point is symlink
+	if (S_ISLNK(st.st_mode))
+		return 1;
 	sprintf(buf, "%s/fstab/%s/dev", cmd->dt_dir, mnt_point);
 	if (access(buf, F_OK) == 0) {
 		int fd = open(buf, O_RDONLY | O_CLOEXEC);