sparc64: Fix IV handling bug in des_sparc64_cbc_decrypt



The IV wasn't being propagated properly past the first loop
iteration.

This bug lived only because the crypto layer tests for
cbc(des) do not have any cases that go more than one loop.

Signed-off-by: David S. Miller <davem@davemloft.net>

parent 979e93ca

arch/sparc/crypto/des_asm.S

+1 −0

Original line number	Original line	Diff line number	Diff line
	@@ -168,6 +168,7 @@ ENTRY(des_sparc64_cbc_decrypt)
	DES_ROUND(28, 30, 32, 32)		DES_ROUND(28, 30, 32, 32)
	DES_IIP(32, 32)		DES_IIP(32, 32)
	fxor %f32, %f34, %f32		fxor %f32, %f34, %f32
			fsrc2 %f36, %f34
	std %f32, [%o1 + 0x00]		std %f32, [%o1 + 0x00]
	add %o0, 0x08, %o0		add %o0, 0x08, %o0
	subcc %o2, 0x08, %o2		subcc %o2, 0x08, %o2