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authorStefan Weinhuber <wein@de.ibm.com>2008-09-16 09:32:19 -0700
committerMartin Schwidefsky <sky@skybook.(none)>2008-09-16 09:34:32 -0700
commit9adb8c1d4f0ac78b3469e377ce5f8a846cbaedaf (patch)
tree7ee39444979acfc3a838d15c911a3735c4ddd869
parentf26fd5d6e5006eae75a389c7ce74ed16761d094b (diff)
downloadop-kernel-dev-9adb8c1d4f0ac78b3469e377ce5f8a846cbaedaf.zip
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[S390] cio: fix orb initialization in cio_start_key
The functions cio_tm_start_key and cio_start_key use the same private orb structure of a subchannel, so the orb needs to be cleared of old data before it is used again. A respective memset is missing from cio_start_key and hereby added. Signed-off-by: Stefan Weinhuber <wein@de.ibm.com> Acked-by: Cornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
-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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