linux-kernel - [PATCH 3.12 031/107] tile: remove compat_sys_lookup

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Message-Id: <20140211184749.083275270@linuxfoundation.org>
Date:	Tue, 11 Feb 2014 11:04:57 -0800
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	stable@...r.kernel.org, Heiko Carstens <heiko.carstens@...ibm.com>,
	Chris Metcalf <cmetcalf@...era.com>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Guenter Roeck <linux@...ck-us.net>
Subject: [PATCH 3.12 031/107] tile: remove compat_sys_lookup_dcookie declaration to fix compile error

3.12-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Heiko Carstens <heiko.carstens@...ibm.com>

commit 5a5e75f4714a592f31e57f248b8f5c866f278b8d upstream.

With commit d8d14bd09cdd ("fs/compat: fix lookup_dcookie() parameter
handling") I changed the type of the len parameter of the
lookup_dcookie() syscall.

However I missed that there was still a stale declaration in
arch/tile/..  which now causes a compile error on tile:

  In file included from fs/dcookies.c:28:0:
  include/linux/compat.h:425:17: error: conflicting types for 'compat_sys_lookup_dcookie'
  fs/dcookies.c:207:1: error: conflicting types for 'compat_sys_lookup_dcookie'

Simply remove the declaration in the tile architecture, which is only a
leftover from before the different compat lookup_dcookie() versions have
been merged.  The correct declaration is now in include/linux/compat.h

The build error was reported by Fenguang's build bot.

Signed-off-by: Heiko Carstens <heiko.carstens@...ibm.com>
Acked-by: Chris Metcalf <cmetcalf@...era.com>
Signed-off-by: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: Guenter Roeck <linux@...ck-us.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 arch/tile/include/asm/compat.h |    1 -
 1 file changed, 1 deletion(-)

--- a/arch/tile/include/asm/compat.h
+++ b/arch/tile/include/asm/compat.h
@@ -281,7 +281,6 @@ long compat_sys_pread64(unsigned int fd,
 			u32 dummy, u32 low, u32 high);
 long compat_sys_pwrite64(unsigned int fd, char __user *ubuf, size_t count,
 			 u32 dummy, u32 low, u32 high);
-long compat_sys_lookup_dcookie(u32 low, u32 high, char __user *buf, size_t len);
 long compat_sys_sync_file_range2(int fd, unsigned int flags,
 				 u32 offset_lo, u32 offset_hi,
 				 u32 nbytes_lo, u32 nbytes_hi);


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