Unify sys_mmap*

New helper - sys_mmap_pgoff(); switch syscalls to using it.

Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

1 files changed, 2 insertions, 26 deletions

diff --git a/arch/sh/kernel/sys_sh.c b/arch/sh/kernel/sys_sh.c
index 8aa5d1ceaf14..71399cde03b5 100644
--- a/arch/sh/kernel/sys_sh.c
+++ b/arch/sh/kernel/sys_sh.c
@@ -28,37 +28,13 @@
 #include <asm/cacheflush.h>
 #include <asm/cachectl.h>
 
-static inline long
-do_mmap2(unsigned long addr, unsigned long len, unsigned long prot,
-         unsigned long flags, int fd, unsigned long pgoff)
-{
-        int error = -EBADF;
-        struct file *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, pgoff);
-        up_write(&current->mm->mmap_sem);
-
-        if (file)
-                fput(file);
-out:
-        return error;
-}
-
 asmlinkage int old_mmap(unsigned long addr, unsigned long len,
         unsigned long prot, unsigned long flags,
         int fd, unsigned long off)
 {
         if (off & ~PAGE_MASK)
                 return -EINVAL;
-        return do_mmap2(addr, len, prot, flags, fd, off>>PAGE_SHIFT);
+        return sys_mmap_pgoff(addr, len, prot, flags, fd, off>>PAGE_SHIFT);
 }
 
 asmlinkage long sys_mmap2(unsigned long addr, unsigned long len,
@@ -74,7 +50,7 @@ asmlinkage long sys_mmap2(unsigned long addr, unsigned long len,
 
         pgoff >>= PAGE_SHIFT - 12;
 
-        return do_mmap2(addr, len, prot, flags, fd, pgoff);
+        return sys_mmap_pgoff(addr, len, prot, flags, fd, pgoff);
 }
 
 /*