nilfs2: fix missing unlock in error path of nilfs_mdt_write_page

This adds a missing unlock of nilfs->ns_writer_mutex in nilfs_mdt_write_page() function. Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
git-mirror · Aug 2, 2009 · 01a261e · 01a261e
1 parent a977784
commit 01a261e
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/fs/nilfs2/mdt.c b/fs/nilfs2/mdt.c
@@ -412,8 +412,10 @@ nilfs_mdt_write_page(struct page *page, struct writeback_control *wbc)
 		return 0; /* Do not request flush for shadow page cache */
 	if (!sb) {
 		writer = nilfs_get_writer(NILFS_MDT(inode)->mi_nilfs);
-		if (!writer)
+		if (!writer) {
+			nilfs_put_writer(NILFS_MDT(inode)->mi_nilfs);
 			return -EROFS;
+		}
 		sb = writer->s_super;
 	}