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| author | Stefan Weinhuber <wein@de.ibm.com> | 2008-09-16 09:32:19 -0700 |
|---|---|---|
| committer | Martin Schwidefsky <sky@skybook.(none)> | 2008-09-16 09:34:32 -0700 |
| commit | 9adb8c1d4f0ac78b3469e377ce5f8a846cbaedaf (patch) | |
| tree | 7ee39444979acfc3a838d15c911a3735c4ddd869 /drivers/s390/cio/cio.c | |
| parent | f26fd5d6e5006eae75a389c7ce74ed16761d094b (diff) | |
| download | lwn-9adb8c1d4f0ac78b3469e377ce5f8a846cbaedaf.tar.gz lwn-9adb8c1d4f0ac78b3469e377ce5f8a846cbaedaf.zip | |
[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>
Diffstat (limited to 'drivers/s390/cio/cio.c')
| -rw-r--r-- | drivers/s390/cio/cio.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/s390/cio/cio.c b/drivers/s390/cio/cio.c index 5954b905e3ca..326f4cc7f92c 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; |