staging: android: ion: Remove duplicate ION_IOC_MAP

ION_IOC_MAP is the same as ION_IOC_SHARE. We really don't need two
identical interfaces. Remove it.
Signed-off-by: NLaura Abbott <labbott@redhat.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/android/ion/compat_ion.c

@@ -144,7 +144,6 @@ long compat_ion_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
 							(unsigned long)data);
 	}
 	case ION_IOC_SHARE:
-	case ION_IOC_MAP:
 		return filp->f_op->unlocked_ioctl(filp, cmd,
 						(unsigned long)compat_ptr(arg));
 	default:

drivers/staging/android/ion/ion-ioctl.c

@@ -118,7 +118,6 @@ long ion_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
 		break;
 	}
 	case ION_IOC_SHARE:
-	case ION_IOC_MAP:
 	{
 		struct ion_handle *handle;
 

drivers/staging/android/uapi/ion.h

@@ -163,16 +163,6 @@ struct ion_heap_query {
  */
 #define ION_IOC_FREE		_IOWR(ION_IOC_MAGIC, 1, struct ion_handle_data)
 
-/**
- * DOC: ION_IOC_MAP - get a file descriptor to mmap
- *
- * Takes an ion_fd_data struct with the handle field populated with a valid
- * opaque handle.  Returns the struct with the fd field set to a file
- * descriptor open in the current address space.  This file descriptor
- * can then be used as an argument to mmap.
- */
-#define ION_IOC_MAP		_IOWR(ION_IOC_MAGIC, 2, struct ion_fd_data)
-
 /**
  * DOC: ION_IOC_SHARE - creates a file descriptor to use to share an allocation
  *