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Add missing alignment check in arch/score sys_mmap()

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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2009-12-11 06:48:57 -05:00
parent e77414e0aa
commit aa65607373
1 changed files with 4 additions and 3 deletions
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7
arch/score/kernel/sys_score.c
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@ -41,10 +41,11 @@ sys_mmap2(unsigned long addr, unsigned long len, unsigned long prot,
asmlinkage long
sys_mmap(unsigned long addr, unsigned long len, unsigned long prot,
unsigned long flags, unsigned long fd, off_t pgoff)
unsigned long flags, unsigned long fd, off_t offset)
{
/* where's the alignment check? */
return sys_mmap_pgoff(addr, len, prot, flags, fd, pgoff >> PAGE_SHIFT);
if (unlikely(offset & ~PAGE_MASK))
return -EINVAL;
return sys_mmap_pgoff(addr, len, prot, flags, fd, offset >> PAGE_SHIFT);
}
asmlinkage long