linux-kernel - [PATCH] shm: fix unused warnings on nommu

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Message-Id: <1244174632-19361-1-git-send-email-vapier@gentoo.org>
Date:	Fri,  5 Jun 2009 00:03:52 -0400
From:	Mike Frysinger <vapier@...too.org>
To:	linux-kernel@...r.kernel.org
Cc:	David Howells <dhowells@...hat.com>
Subject: [PATCH] shm: fix unused warnings on nommu

The massive nommu update (8feae131) resulted in these warnings:
ipc/shm.c: In function ‘sys_shmdt’:
ipc/shm.c:974: warning: unused variable ‘size’
ipc/shm.c:972: warning: unused variable ‘next’

Signed-off-by: Mike Frysinger <vapier@...too.org>
---
 ipc/shm.c |    7 +++++--
 1 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/ipc/shm.c b/ipc/shm.c
index faa46da..4259716 100644
--- a/ipc/shm.c
+++ b/ipc/shm.c
@@ -969,10 +969,13 @@ SYSCALL_DEFINE3(shmat, int, shmid, char __user *, shmaddr, int, shmflg)
 SYSCALL_DEFINE1(shmdt, char __user *, shmaddr)
 {
 	struct mm_struct *mm = current->mm;
-	struct vm_area_struct *vma, *next;
+	struct vm_area_struct *vma;
 	unsigned long addr = (unsigned long)shmaddr;
-	loff_t size = 0;
 	int retval = -EINVAL;
+#ifdef CONFIG_MMU
+	loff_t size = 0;
+	struct vm_area_struct *next;
+#endif
 
 	if (addr & ~PAGE_MASK)
 		return retval;
-- 
1.6.3.1

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