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| author | Sebastian Ott <sebott@linux.vnet.ibm.com> | 2016-06-21 16:26:25 +0200 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2016-07-15 14:32:01 +0200 |
| commit | 687cb7f21695469626f683d709d931ad41b2ca68 (patch) | |
| tree | b312b6bbec4cdfafd8561e3b74b86827c21c16ca /drivers/s390/cio/chsc.h | |
| parent | s390/chsc: sanitize fmt check for chp_desc determination (diff) | |
| download | linux-687cb7f21695469626f683d709d931ad41b2ca68.tar.xz linux-687cb7f21695469626f683d709d931ad41b2ca68.zip | |
s390/chsc: improve channel path descriptor determination
When we fetch channel path descriptors via chsc we use a suboptimal
struct chsc_scpd and adjust that by casting the response to a generic
chsc_response_struct. Simplify the code by improving struct chsc_scpd.
Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Reviewed-by: Peter Oberparleiter <oberpar@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'drivers/s390/cio/chsc.h')
| -rw-r--r-- | drivers/s390/cio/chsc.h | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/s390/cio/chsc.h b/drivers/s390/cio/chsc.h index 0de134c3a204..67c87b6e63ec 100644 --- a/drivers/s390/cio/chsc.h +++ b/drivers/s390/cio/chsc.h @@ -112,8 +112,9 @@ struct chsc_scpd { u32 last_chpid:8; u32 zeroes1; struct chsc_header response; - u8 data[PAGE_SIZE - 20]; -} __attribute__ ((packed)); + u32:32; + u8 data[0]; +} __packed; struct chsc_sda_area { struct chsc_header request; |