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-rw-r--r--fs/super.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/fs/super.c b/fs/super.c
index 3479ca6f005f..bd9eea4bb2bb 100644
--- a/fs/super.c
+++ b/fs/super.c
@@ -305,8 +305,13 @@ retry:
if (s) {
up_write(&s->s_umount);
destroy_super(s);
+ s = NULL;
}
down_write(&old->s_umount);
+ if (unlikely(!(old->s_flags & MS_BORN))) {
+ deactivate_locked_super(old);
+ goto retry;
+ }
return old;
}
}
@@ -918,6 +923,7 @@ vfs_kern_mount(struct file_system_type *type, int flags, const char *name, void
goto out_free_secdata;
BUG_ON(!mnt->mnt_sb);
WARN_ON(!mnt->mnt_sb->s_bdi);
+ mnt->mnt_sb->s_flags |= MS_BORN;
error = security_sb_kern_mount(mnt->mnt_sb, flags, secdata);
if (error)