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-rw-r--r--drivers/s390/cio/cio.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/s390/cio/cio.c b/drivers/s390/cio/cio.c
index 5954b90..326f4cc 100644
--- a/drivers/s390/cio/cio.c
+++ b/drivers/s390/cio/cio.c
@@ -174,6 +174,7 @@ cio_start_key (struct subchannel *sch, /* subchannel structure */
CIO_TRACE_EVENT(4, sch->dev.bus_id);
orb = &to_io_private(sch)->orb;
+ memset(orb, 0, sizeof(union orb));
/* sch is always under 2G. */
orb->cmd.intparm = (u32)(addr_t)sch;
orb->cmd.fmt = 1;
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