diff options
Diffstat (limited to 'security/smack')
-rw-r--r-- | security/smack/smack.h | 3 | ||||
-rw-r--r-- | security/smack/smack_lsm.c | 14 |
2 files changed, 3 insertions, 14 deletions
diff --git a/security/smack/smack.h b/security/smack/smack.h index 50854969a391..2007d38d0e46 100644 --- a/security/smack/smack.h +++ b/security/smack/smack.h @@ -364,7 +364,8 @@ static inline struct task_smack *smack_cred(const struct cred *cred) static inline struct smack_known **smack_file(const struct file *file) { - return (struct smack_known **)&file->f_security; + return (struct smack_known **)(file->f_security + + smack_blob_sizes.lbs_file); } /* diff --git a/security/smack/smack_lsm.c b/security/smack/smack_lsm.c index 8f72641f94ab..7c76668ea3a6 100644 --- a/security/smack/smack_lsm.c +++ b/security/smack/smack_lsm.c @@ -1496,18 +1496,6 @@ static int smack_file_alloc_security(struct file *file) } /** - * smack_file_free_security - clear a file security blob - * @file: the object - * - * The security blob for a file is a pointer to the master - * label list, so no memory is freed. - */ -static void smack_file_free_security(struct file *file) -{ - file->f_security = NULL; -} - -/** * smack_file_ioctl - Smack check on ioctls * @file: the object * @cmd: what to do @@ -4559,6 +4547,7 @@ static int smack_dentry_create_files_as(struct dentry *dentry, int mode, struct lsm_blob_sizes smack_blob_sizes __lsm_ro_after_init = { .lbs_cred = sizeof(struct task_smack), + .lbs_file = sizeof(struct smack_known *), }; static struct security_hook_list smack_hooks[] __lsm_ro_after_init = { @@ -4595,7 +4584,6 @@ static struct security_hook_list smack_hooks[] __lsm_ro_after_init = { LSM_HOOK_INIT(inode_getsecid, smack_inode_getsecid), LSM_HOOK_INIT(file_alloc_security, smack_file_alloc_security), - LSM_HOOK_INIT(file_free_security, smack_file_free_security), LSM_HOOK_INIT(file_ioctl, smack_file_ioctl), LSM_HOOK_INIT(file_lock, smack_file_lock), LSM_HOOK_INIT(file_fcntl, smack_file_fcntl), |