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authorStefan Haberland <stefan.haberland@de.ibm.com>2010-03-24 11:49:54 +0100
committerMartin Schwidefsky <sky@mschwide.boeblingen.de.ibm.com>2010-03-24 11:49:53 +0100
commitb8fde7224d771ce55bfd67cb57d7c4c8f430972f (patch)
treea9baa7a98c798d0e8477d168bfa543aae39b0952 /drivers/s390/block/dasd_eckd.c
parent4a31ba57cae853ce1ac00a22c0f5d80bd36685ed (diff)
[S390] dasd: check tsb validity
Check tsb validity before the tcw_get_tsb function is called. 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_eckd.c')
-rw-r--r--drivers/s390/block/dasd_eckd.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/s390/block/dasd_eckd.c b/drivers/s390/block/dasd_eckd.c
index 01f4e7a34aa8..0cb233116855 100644
--- a/drivers/s390/block/dasd_eckd.c
+++ b/drivers/s390/block/dasd_eckd.c
@@ -3155,11 +3155,11 @@ static void dasd_eckd_dump_sense_tcw(struct dasd_device *device,
tsb = NULL;
sense = NULL;
- if (irb->scsw.tm.tcw)
+ if (irb->scsw.tm.tcw && (irb->scsw.tm.fcxs == 0x01))
tsb = tcw_get_tsb(
(struct tcw *)(unsigned long)irb->scsw.tm.tcw);
- if (tsb && (irb->scsw.tm.fcxs == 0x01)) {
+ if (tsb) {
len += sprintf(page + len, KERN_ERR PRINTK_HEADER
" tsb->length %d\n", tsb->length);
len += sprintf(page + len, KERN_ERR PRINTK_HEADER