get_unmapped_area handles MAP_FIXED on frv

Handle MAP_FIXED in arch_get_unmapped_area on frv.  Trivial case, just return
the address.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: David Howells <dhowells@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

arch/frv/mm/elf-fdpic.c

@@ -64,6 +64,10 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr, unsi
 	if (len > TASK_SIZE)
 		return -ENOMEM;
 
+	/* handle MAP_FIXED */
+	if (flags & MAP_FIXED)
+		return addr;
+
 	/* only honour a hint if we're not going to clobber something doing so */
 	if (addr) {
 		addr = PAGE_ALIGN(addr);