Unify sys_mmap*

[safe/jmp/linux-2.6] / arch / x86 / kernel / sys_x86_64.c

diff --git a/arch/x86/kernel/sys_x86_64.c b/arch/x86/kernel/sys_x86_64.c
index 45e00eb..8aa2057 100644 (file)
--- a/arch/x86/kernel/sys_x86_64.c
+++ b/arch/x86/kernel/sys_x86_64.c
@@ -23,26 +23,11 @@ SYSCALL_DEFINE6(mmap, unsigned long, addr, unsigned long, len,
                unsigned long, fd, unsigned long, off)
 {
        long error;
-       struct file *file;
-
        error = -EINVAL;
        if (off & ~PAGE_MASK)
                goto out;
 
-       error = -EBADF;
-       file = NULL;
-       flags &= ~(MAP_EXECUTABLE | MAP_DENYWRITE);
-       if (!(flags & MAP_ANONYMOUS)) {
-               file = fget(fd);
-               if (!file)
-                       goto out;
-       }
-       down_write(&current->mm->mmap_sem);
-       error = do_mmap_pgoff(file, addr, len, prot, flags, off >> PAGE_SHIFT);
-       up_write(&current->mm->mmap_sem);
-
-       if (file)
-               fput(file);
+       error = sys_mmap_pgoff(addr, len, prot, flags, fd, off >> PAGE_SHIFT);
 out:
        return error;
 }