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>
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13df635f08
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586c7e6a28
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@ -969,10 +969,13 @@ SYSCALL_DEFINE3(shmat, int, shmid, char __user *, shmaddr, int, shmflg)
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SYSCALL_DEFINE1(shmdt, char __user *, shmaddr)
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{
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struct mm_struct *mm = current->mm;
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struct vm_area_struct *vma, *next;
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struct vm_area_struct *vma;
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unsigned long addr = (unsigned long)shmaddr;
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loff_t size = 0;
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int retval = -EINVAL;
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#ifdef CONFIG_MMU
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loff_t size = 0;
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struct vm_area_struct *next;
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#endif
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if (addr & ~PAGE_MASK)
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return retval;
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