1 files changed, 3 insertions, 34 deletions

diff --git a/arch/s390/kernel/compat_linux.c b/arch/s390/kernel/compat_linux.c
index 25c31d681402..22c9e557bb22 100644
--- a/arch/s390/kernel/compat_linux.c
+++ b/arch/s390/kernel/compat_linux.c
@@ -624,38 +624,6 @@ struct mmap_arg_struct_emu31 {
         u32     offset;
 };
 
-/* common code for old and new mmaps */
-static inline long do_mmap2(
-        unsigned long addr, unsigned long len,
-        unsigned long prot, unsigned long flags,
-        unsigned long fd, unsigned long pgoff)
-{
-        struct file * file = NULL;
-        unsigned long error = -EBADF;
-
-        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, pgoff);
-        if (!IS_ERR((void *) error) && error + len >= 0x80000000ULL) {
-                /* Result is out of bounds.  */
-                do_munmap(current->mm, addr, len);
-                error = -ENOMEM;
-        }
-        up_write(&current->mm->mmap_sem);
-
-        if (file)
-                fput(file);
-out:    
-        return error;
-}
-
-
 asmlinkage unsigned long
 old32_mmap(struct mmap_arg_struct_emu31 __user *arg)
 {
@@ -669,7 +637,8 @@ old32_mmap(struct mmap_arg_struct_emu31 __user *arg)
         if (a.offset & ~PAGE_MASK)
                 goto out;
 
-        error = do_mmap2(a.addr, a.len, a.prot, a.flags, a.fd, a.offset >> PAGE_SHIFT); 
+        error = sys_mmap_pgoff(a.addr, a.len, a.prot, a.flags, a.fd,
+                               a.offset >> PAGE_SHIFT);
 out:
         return error;
 }
@@ -682,7 +651,7 @@ sys32_mmap2(struct mmap_arg_struct_emu31 __user *arg)
 
         if (copy_from_user(&a, arg, sizeof(a)))
                 goto out;
-        error = do_mmap2(a.addr, a.len, a.prot, a.flags, a.fd, a.offset);
+        error = sys_mmap_pgoff(a.addr, a.len, a.prot, a.flags, a.fd, a.offset);
 out:
         return error;
 }