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Diffstat (limited to 'arch/mips/kernel/syscall.c')
-rw-r--r--arch/mips/kernel/syscall.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/arch/mips/kernel/syscall.c b/arch/mips/kernel/syscall.c
index 1da2eeb3ef9..2aeaa2fd4b3 100644
--- a/arch/mips/kernel/syscall.c
+++ b/arch/mips/kernel/syscall.c
@@ -162,7 +162,10 @@ asmlinkage unsigned long
sys_mmap2(unsigned long addr, unsigned long len, unsigned long prot,
unsigned long flags, unsigned long fd, unsigned long pgoff)
{
- return do_mmap2(addr, len, prot, flags, fd, pgoff);
+ if (pgoff & (~PAGE_MASK >> 12))
+ return -EINVAL;
+
+ return do_mmap2(addr, len, prot, flags, fd, pgoff >> (PAGE_SHIFT-12));
}
save_static_function(sys_fork);
@@ -345,7 +348,7 @@ asmlinkage int sys_ipc (uint call, int first, int second,
union semun fourth;
if (!ptr)
return -EINVAL;
- if (get_user(fourth.__pad, (void *__user *) ptr))
+ if (get_user(fourth.__pad, (void __user *__user *) ptr))
return -EFAULT;
return sys_semctl (first, second, third, fourth);
}