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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@gentoo.org>
Cc: David Howells <dhowells@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Mike Frysinger 2009-06-09 16:26:23 -07:00 committed by Linus Torvalds
parent 13df635f08
commit 586c7e6a28
1 changed files with 5 additions and 2 deletions
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7
ipc/shm.c
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@ -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;