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| author | Heiko Carstens <heiko.carstens@de.ibm.com> | 2011-08-24 17:15:13 +0200 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2011-08-24 17:15:24 +0200 |
| commit | 8adb4ca344b48bbbf87ca66fd07a2dd503619714 (patch) | |
| tree | 676c225c84bca994aeace3a80ab785eb3e7e6d8f /drivers/s390/char/sclp_cmd.c | |
| parent | e1202edadbf846f0a4de70c8c0b9fe5a6c88b1cb (diff) | |
| download | lwn-8adb4ca344b48bbbf87ca66fd07a2dd503619714.tar.gz lwn-8adb4ca344b48bbbf87ca66fd07a2dd503619714.zip | |
[S390] memory hotplug: only unassign assigned increments
Make sure that only assigned storage increments are unassigned when
attaching a storage element.
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'drivers/s390/char/sclp_cmd.c')
| -rw-r--r-- | drivers/s390/char/sclp_cmd.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/s390/char/sclp_cmd.c b/drivers/s390/char/sclp_cmd.c index be55fb2b1b1c..837e010299a8 100644 --- a/drivers/s390/char/sclp_cmd.c +++ b/drivers/s390/char/sclp_cmd.c @@ -383,8 +383,10 @@ static int sclp_attach_storage(u8 id) switch (sccb->header.response_code) { case 0x0020: set_bit(id, sclp_storage_ids); - for (i = 0; i < sccb->assigned; i++) - sclp_unassign_storage(sccb->entries[i] >> 16); + for (i = 0; i < sccb->assigned; i++) { + if (sccb->entries[i]) + sclp_unassign_storage(sccb->entries[i] >> 16); + } break; default: rc = -EIO; |