diff options
Diffstat (limited to 'security/selinux/hooks.c')
| -rw-r--r-- | security/selinux/hooks.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c index 42043f96e54f..4796ddd4e721 100644 --- a/security/selinux/hooks.c +++ b/security/selinux/hooks.c @@ -2170,8 +2170,9 @@ static inline void flush_unauthorized_files(const struct cred *cred, tty = get_current_tty(); if (tty) { - file_list_lock(); + spin_lock(&tty_files_lock); if (!list_empty(&tty->tty_files)) { + struct tty_file_private *file_priv; struct inode *inode; /* Revalidate access to controlling tty. @@ -2179,14 +2180,16 @@ static inline void flush_unauthorized_files(const struct cred *cred, than using file_has_perm, as this particular open file may belong to another process and we are only interested in the inode-based check here. */ - file = list_first_entry(&tty->tty_files, struct file, f_u.fu_list); + file_priv = list_first_entry(&tty->tty_files, + struct tty_file_private, list); + file = file_priv->file; inode = file->f_path.dentry->d_inode; if (inode_has_perm(cred, inode, FILE__READ | FILE__WRITE, NULL)) { drop_tty = 1; } } - file_list_unlock(); + spin_unlock(&tty_files_lock); tty_kref_put(tty); } /* Reset controlling tty. */ |