ipc/shm.c: shm_split(): remove unneeded test for NULL shm_file_data.v…

…m_ops

This was added by the recent "ipc/shm.c: add split function to
shm_vm_ops", but it is not necessary.

Reviewed-by: Mike Kravetz <[email protected]>
Cc: Laurent Dufour <[email protected]>
Cc: Dan Williams <[email protected]>
Cc: Michal Hocko <[email protected]>
Cc: Davidlohr Bueso <[email protected]>
Cc: Manfred Spraul <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>

ipc/shm.c

@@ -415,7 +415,7 @@ static int shm_split(struct vm_area_struct *vma, unsigned long addr)
 	struct file *file = vma->vm_file;
 	struct shm_file_data *sfd = shm_file_data(file);
 
-	if (sfd->vm_ops && sfd->vm_ops->split)
+	if (sfd->vm_ops->split)
 		return sfd->vm_ops->split(vma, addr);
 
 	return 0;