Smack: fix W=1 build warnings

A couple of functions had malformed comment blocks.
Namespace parameters were added without updating the
comment blocks. These are all repaired in the Smack code,
so "% make W=1 security/smack" is warning free.
Signed-off-by: NCasey Schaufler <casey@schaufler-ca.com>

security/smack/smack_lsm.c

@@ -391,7 +391,7 @@ static int smk_copy_relabel(struct list_head *nhead, struct list_head *ohead,
 
 /**
  * smk_ptrace_mode - helper function for converting PTRACE_MODE_* into MAY_*
- * @mode - input mode in form of PTRACE_MODE_*
+ * @mode: input mode in form of PTRACE_MODE_*
  *
  * Returns a converted MAY_* mode usable by smack rules
  */
@@ -1215,6 +1215,7 @@ static int smack_inode_getattr(const struct path *path)
 
 /**
  * smack_inode_setxattr - Smack check for setting xattrs
+ * @mnt_userns: active user namespace
  * @dentry: the object
  * @name: name of the attribute
  * @value: value of the attribute
@@ -1341,6 +1342,7 @@ static int smack_inode_getxattr(struct dentry *dentry, const char *name)
 
 /**
  * smack_inode_removexattr - Smack check on removexattr
+ * @mnt_userns: active user namespace
  * @dentry: the object
  * @name: name of the attribute
  *
@@ -1400,6 +1402,7 @@ static int smack_inode_removexattr(struct user_namespace *mnt_userns,
 
 /**
  * smack_inode_getsecurity - get smack xattrs
+ * @mnt_userns: active user namespace
  * @inode: the object
  * @name: attribute name
  * @buffer: where to put the result
@@ -1621,13 +1624,14 @@ static int smack_file_fcntl(struct file *file, unsigned int cmd,
 }
 
 /**
- * smack_mmap_file :
- * Check permissions for a mmap operation.  The @file may be NULL, e.g.
- * if mapping anonymous memory.
- * @file contains the file structure for file to map (may be NULL).
- * @reqprot contains the protection requested by the application.
- * @prot contains the protection that will be applied by the kernel.
- * @flags contains the operational flags.
+ * smack_mmap_file - Check permissions for a mmap operation.
+ * @file: contains the file structure for file to map (may be NULL).
+ * @reqprot: contains the protection requested by the application.
+ * @prot: contains the protection that will be applied by the kernel.
+ * @flags: contains the operational flags.
+ *
+ * The @file may be NULL, e.g. if mapping anonymous memory.
+ *
  * Return 0 if permission is granted.
  */
 static int smack_mmap_file(struct file *file,
@@ -3054,7 +3058,7 @@ static int smack_sem_associate(struct kern_ipc_perm *isp, int semflg)
 }
 
 /**
- * smack_sem_shmctl - Smack access check for sem
+ * smack_sem_semctl - Smack access check for sem
  * @isp: the object
  * @cmd: what it wants to do
  *
@@ -3200,7 +3204,7 @@ static int smack_msg_queue_msgsnd(struct kern_ipc_perm *isp, struct msg_msg *msg
 }
 
 /**
- * smack_msg_queue_msgsnd - Smack access check for msg_queue
+ * smack_msg_queue_msgrcv - Smack access check for msg_queue
  * @isp: the object
  * @msg: unused
  * @target: unused
@@ -3209,8 +3213,10 @@ static int smack_msg_queue_msgsnd(struct kern_ipc_perm *isp, struct msg_msg *msg
  *
  * Returns 0 if current has read and write access, error code otherwise
  */
-static int smack_msg_queue_msgrcv(struct kern_ipc_perm *isp, struct msg_msg *msg,
-			struct task_struct *target, long type, int mode)
+static int smack_msg_queue_msgrcv(struct kern_ipc_perm *isp,
+				  struct msg_msg *msg,
+				  struct task_struct *target, long type,
+				  int mode)
 {
 	return smk_curacc_msq(isp, MAY_READWRITE);
 }