fs/reiserfs/journal.c: change return type of dirty_one_transaction

Change return type of dirty_one_transaction from int to void.  As this
function always return success.

Fixes below issue reported by coccicheck:

  fs/reiserfs/journal.c:1690:5-8: Unneeded variable: "ret".  Return "0" on line 1719

Link: http://lkml.kernel.org/r/20190702175430.GA5882@hari-Inspiron-1545Signed-off-by: NHariprasad Kelam <hariprasad.kelam@gmail.com>
Reviewed-by: NJan Kara <jack@suse.cz>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Bharath Vedartham <linux.bhar@gmail.com>
Cc: Hariprasad Kelam <hariprasad.kelam@gmail.com>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>

fs/reiserfs/journal.c

@@ -94,7 +94,7 @@ static int journal_join(struct reiserfs_transaction_handle *th,
 			struct super_block *sb);
 static void release_journal_dev(struct super_block *super,
 			       struct reiserfs_journal *journal);
-static int dirty_one_transaction(struct super_block *s,
+static void dirty_one_transaction(struct super_block *s,
 				 struct reiserfs_journal_list *jl);
 static void flush_async_commits(struct work_struct *work);
 static void queue_log_writer(struct super_block *s);
@@ -1682,12 +1682,11 @@ static int write_one_transaction(struct super_block *s,
 }
 
 /* used by flush_commit_list */
-static int dirty_one_transaction(struct super_block *s,
+static void dirty_one_transaction(struct super_block *s,
 				 struct reiserfs_journal_list *jl)
 {
 	struct reiserfs_journal_cnode *cn;
 	struct reiserfs_journal_list *pjl;
-	int ret = 0;
 
 	jl->j_state |= LIST_DIRTY;
 	cn = jl->j_realblock;
@@ -1716,7 +1715,6 @@ static int dirty_one_transaction(struct super_block *s,
 		}
 		cn = cn->next;
 	}
-	return ret;
 }
 
 static int kupdate_transactions(struct super_block *s,