diff options
Diffstat (limited to 'security')
| -rw-r--r-- | security/selinux/hooks.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c index bd7da0f0ccf3..4796ddd4e721 100644 --- a/security/selinux/hooks.c +++ b/security/selinux/hooks.c | |||
| @@ -2172,6 +2172,7 @@ static inline void flush_unauthorized_files(const struct cred *cred, | |||
| 2172 | if (tty) { | 2172 | if (tty) { |
| 2173 | spin_lock(&tty_files_lock); | 2173 | spin_lock(&tty_files_lock); |
| 2174 | if (!list_empty(&tty->tty_files)) { | 2174 | if (!list_empty(&tty->tty_files)) { |
| 2175 | struct tty_file_private *file_priv; | ||
| 2175 | struct inode *inode; | 2176 | struct inode *inode; |
| 2176 | 2177 | ||
| 2177 | /* Revalidate access to controlling tty. | 2178 | /* Revalidate access to controlling tty. |
| @@ -2179,7 +2180,9 @@ static inline void flush_unauthorized_files(const struct cred *cred, | |||
| 2179 | than using file_has_perm, as this particular open | 2180 | than using file_has_perm, as this particular open |
| 2180 | file may belong to another process and we are only | 2181 | file may belong to another process and we are only |
| 2181 | interested in the inode-based check here. */ | 2182 | interested in the inode-based check here. */ |
| 2182 | file = list_first_entry(&tty->tty_files, struct file, f_u.fu_list); | 2183 | file_priv = list_first_entry(&tty->tty_files, |
| 2184 | struct tty_file_private, list); | ||
| 2185 | file = file_priv->file; | ||
| 2183 | inode = file->f_path.dentry->d_inode; | 2186 | inode = file->f_path.dentry->d_inode; |
| 2184 | if (inode_has_perm(cred, inode, | 2187 | if (inode_has_perm(cred, inode, |
| 2185 | FILE__READ | FILE__WRITE, NULL)) { | 2188 | FILE__READ | FILE__WRITE, NULL)) { |