Clear the message reply before calling iop_complete(). This code path is
not normally executed but should that happen let's arrange for consistent
behaviour from the IOP.

Cc: Joshua Thompson <[email protected]>
Tested-by: Stan Johnson <[email protected]>
Signed-off-by: Finn Thain <[email protected]>
---
 arch/m68k/mac/iop.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/m68k/mac/iop.c b/arch/m68k/mac/iop.c
index 5fc3b59ba811..8d6946edf2c8 100644
--- a/arch/m68k/mac/iop.c
+++ b/arch/m68k/mac/iop.c
@@ -449,6 +449,7 @@ static void iop_handle_recv(uint iop_num, uint chan)
                iop_pr_debug("unclaimed message on iop_num %d chan %d\n",
                             iop_num, chan);
                iop_pr_debug("%*ph\n", IOP_MSG_LEN, msg->message);
+               memset(msg->reply, 0, IOP_MSG_LEN);
                iop_complete_message(msg);
        }
 }
-- 
2.26.2

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