diff options
| author | Stefan Haberland <stefan.haberland@de.ibm.com> | 2014-07-18 14:24:20 +0200 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2014-07-22 09:26:23 +0200 |
| commit | 8fa56aed12f1b0a2828da52280e2efbbf1163ad5 (patch) | |
| tree | e628581e9d5096dc968543f18657df28cdad6f8d /drivers/s390/block/dasd.c | |
| parent | dasd: fix unresponsive device during format (diff) | |
| download | linux-8fa56aed12f1b0a2828da52280e2efbbf1163ad5.tar.xz linux-8fa56aed12f1b0a2828da52280e2efbbf1163ad5.zip | |
dasd: fix list_del corruption during format
If I/O errors occur during format a kernel panic with a list_del
corruption may occur.
Stop error recovery procedure after an erp action was taken.
Signed-off-by: Stefan Haberland <stefan.haberland@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'drivers/s390/block/dasd.c')
| -rw-r--r-- | drivers/s390/block/dasd.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/s390/block/dasd.c b/drivers/s390/block/dasd.c index 9242d7cff9b5..925b056dc2b3 100644 --- a/drivers/s390/block/dasd.c +++ b/drivers/s390/block/dasd.c @@ -2307,8 +2307,12 @@ retry: rc = 0; list_for_each_entry_safe(cqr, n, ccw_queue, blocklist) { - if (__dasd_sleep_on_erp(cqr)) + if (__dasd_sleep_on_erp(cqr)) { + if (!cqr->status == DASD_CQR_TERMINATED && + !cqr->status == DASD_CQR_NEED_ERP) + break; rc = 1; + } } if (rc) goto retry; |