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 1a977493f88dd342082537411da248e411b5b5f5..30e0c431a1ea435a45635b0224410f97be9b3bab 100644 (file)
--- 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);