From: Daniel Rosenberg <drosen@google.com>
Date: Thu, 12 Apr 2018 01:39:43 +0000 (-0700)
Subject: ANDROID: sdcardfs: Set s_root to NULL after putting
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=4da009f6cde226f60697e0aca1b285065332847d;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git

ANDROID: sdcardfs: Set s_root to NULL after putting

Signed-off-by: Daniel Rosenberg <drosen@google.com>
Bug: 77923821
Change-Id: I1705bfd146009561d2d1da5f0e6a342ec6932a1c
---

diff --git a/fs/sdcardfs/main.c b/fs/sdcardfs/main.c
index 1a977493f88d..30e0c431a1ea 100644
--- a/fs/sdcardfs/main.c
+++ b/fs/sdcardfs/main.c
@@ -361,6 +361,7 @@ static int sdcardfs_read_super(struct vfsmount *mnt, struct super_block *sb,
 	/* no longer needed: free_dentry_private_data(sb->s_root); */
 out_freeroot:
 	dput(sb->s_root);
+	sb->s_root = NULL;
 out_sput:
 	/* drop refs we took earlier */
 	atomic_dec(&lower_sb->s_active);