jffs2: S_ISLNK(mode & S_IFMT) is pointless

it's S_ISLNK(mode), TYVM...

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/fs/jffs2/fs.c b/fs/jffs2/fs.c
index eeead33..b81b35d 100644
--- a/fs/jffs2/fs.c
+++ b/fs/jffs2/fs.c
@@ -80,7 +80,7 @@
 				  ALLOC_NORMAL, JFFS2_SUMMARY_INODE_SIZE);
 	if (ret) {
 		jffs2_free_raw_inode(ri);
-		if (S_ISLNK(inode->i_mode & S_IFMT))
+		if (S_ISLNK(inode->i_mode))
 			 kfree(mdata);
 		return ret;
 	}