linux-kernel - [PATCH] fs/hfs: remove unused macro to tame gcc

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Date:   Fri,  6 Nov 2020 11:47:36 +0800
From:   Alex Shi <alex.shi@...ux.alibaba.com>
To:     unlisted-recipients:; (no To-header on input)
Cc:     linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] fs/hfs: remove unused macro to tame gcc

Couple macro are duplicated defined and they are not used. So
to tame gcc, let's remove them.

fs/hfsplus/part_tbl.c:26:0: warning: macro "HFS_DRVR_DESC_MAGIC" is not
used [-Wunused-macros]
fs/hfsplus/part_tbl.c:30:0: warning: macro "HFS_MFS_SUPER_MAGIC" is not
used [-Wunused-macros]
fs/hfsplus/part_tbl.c:21:0: warning: macro "HFS_DD_BLK" is not used
[-Wunused-macros]
net/l2tp/l2tp_core.c:73:0: warning: macro "L2TP_HDRFLAG_P" is not used
[-Wunused-macros]

Signed-off-by: Alex Shi <alex.shi@...ux.alibaba.com>
Cc: linux-fsdevel@...r.kernel.org 
Cc: linux-kernel@...r.kernel.org 
---
 fs/hfs/hfs.h          | 2 --
 fs/hfsplus/part_tbl.c | 2 --
 2 files changed, 4 deletions(-)

diff --git a/fs/hfs/hfs.h b/fs/hfs/hfs.h
index 6f194d0768b6..12a807d9dbc0 100644
--- a/fs/hfs/hfs.h
+++ b/fs/hfs/hfs.h
@@ -15,11 +15,9 @@
 #define HFS_MDB_BLK		2 /* Block (w/i partition) of MDB */
 
 /* magic numbers for various disk blocks */
-#define HFS_DRVR_DESC_MAGIC	0x4552 /* "ER": driver descriptor map */
 #define HFS_OLD_PMAP_MAGIC	0x5453 /* "TS": old-type partition map */
 #define HFS_NEW_PMAP_MAGIC	0x504D /* "PM": new-type partition map */
 #define HFS_SUPER_MAGIC		0x4244 /* "BD": HFS MDB (super block) */
-#define HFS_MFS_SUPER_MAGIC	0xD2D7 /* MFS MDB (super block) */
 
 /* various FIXED size parameters */
 #define HFS_SECTOR_SIZE		512    /* size of an HFS sector */
diff --git a/fs/hfsplus/part_tbl.c b/fs/hfsplus/part_tbl.c
index 63164ebc52fa..ecda671d56a8 100644
--- a/fs/hfsplus/part_tbl.c
+++ b/fs/hfsplus/part_tbl.c
@@ -23,11 +23,9 @@
 #define HFS_MDB_BLK		2 /* Block (w/i partition) of MDB */
 
 /* magic numbers for various disk blocks */
-#define HFS_DRVR_DESC_MAGIC	0x4552 /* "ER": driver descriptor map */
 #define HFS_OLD_PMAP_MAGIC	0x5453 /* "TS": old-type partition map */
 #define HFS_NEW_PMAP_MAGIC	0x504D /* "PM": new-type partition map */
 #define HFS_SUPER_MAGIC		0x4244 /* "BD": HFS MDB (super block) */
-#define HFS_MFS_SUPER_MAGIC	0xD2D7 /* MFS MDB (super block) */
 
 /*
  * The new style Mac partition map
-- 
1.8.3.1