avr32/lib: fix unaligned memcpy where len < 4

in case of memcpy(p, unaligned, 1..3) we get 1..3 as the
return value instead of p

Signed-off-by: Sebastian Andrzej Siewior <sebastian@breakpoint.cc>
Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>

diff --git a/arch/avr32/lib/memcpy.S b/arch/avr32/lib/memcpy.S
index 93e74b6..c2ca49d 100644 (file)
--- a/arch/avr32/lib/memcpy.S
+++ b/arch/avr32/lib/memcpy.S
@@ -49,6 +49,7 @@ memcpy:
 
        /* Handle unaligned "from" pointer */
 1:     sub     r10, 4
+       movlt   r9, r12
        brlt    4b
        add     r10, r9
        lsl     r9, 2