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path: root/drivers/s390/block/dasd_eckd.c
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Diffstat (limited to 'drivers/s390/block/dasd_eckd.c')
-rw-r--r--drivers/s390/block/dasd_eckd.c32
1 files changed, 24 insertions, 8 deletions
diff --git a/drivers/s390/block/dasd_eckd.c b/drivers/s390/block/dasd_eckd.c
index 2617b1ed4709..bc2e8a7c265b 100644
--- a/drivers/s390/block/dasd_eckd.c
+++ b/drivers/s390/block/dasd_eckd.c
@@ -1564,6 +1564,12 @@ static void dasd_eckd_do_validate_server(struct work_struct *work)
static void dasd_eckd_kick_validate_server(struct dasd_device *device)
{
dasd_get_device(device);
+ /* exit if device not online or in offline processing */
+ if (test_bit(DASD_FLAG_OFFLINE, &device->flags) ||
+ device->state < DASD_STATE_ONLINE) {
+ dasd_put_device(device);
+ return;
+ }
/* queue call to do_validate_server to the kernel event daemon. */
schedule_work(&device->kick_validate);
}
@@ -1993,6 +1999,7 @@ static int dasd_eckd_ready_to_online(struct dasd_device *device)
static int dasd_eckd_online_to_ready(struct dasd_device *device)
{
cancel_work_sync(&device->reload_device);
+ cancel_work_sync(&device->kick_validate);
return dasd_alias_remove_device(device);
};
@@ -2263,6 +2270,7 @@ static void dasd_eckd_check_for_device_change(struct dasd_device *device,
* and only if not suspended
*/
if (!device->block && private->lcu &&
+ device->state == DASD_STATE_ONLINE &&
!test_bit(DASD_FLAG_OFFLINE, &device->flags) &&
!test_bit(DASD_FLAG_SUSPENDED, &device->flags)) {
/*
@@ -2836,6 +2844,7 @@ static struct dasd_ccw_req *dasd_eckd_build_cp_tpm_track(
sector_t recid, trkid;
unsigned int offs;
unsigned int count, count_to_trk_end;
+ int ret;
basedev = block->base;
if (rq_data_dir(req) == READ) {
@@ -2876,8 +2885,8 @@ static struct dasd_ccw_req *dasd_eckd_build_cp_tpm_track(
itcw = itcw_init(cqr->data, itcw_size, itcw_op, 0, ctidaw, 0);
if (IS_ERR(itcw)) {
- dasd_sfree_request(cqr, startdev);
- return ERR_PTR(-EINVAL);
+ ret = -EINVAL;
+ goto out_error;
}
cqr->cpaddr = itcw_get_tcw(itcw);
if (prepare_itcw(itcw, first_trk, last_trk,
@@ -2889,8 +2898,8 @@ static struct dasd_ccw_req *dasd_eckd_build_cp_tpm_track(
/* Clock not in sync and XRC is enabled.
* Try again later.
*/
- dasd_sfree_request(cqr, startdev);
- return ERR_PTR(-EAGAIN);
+ ret = -EAGAIN;
+ goto out_error;
}
len_to_track_end = 0;
/*
@@ -2929,8 +2938,10 @@ static struct dasd_ccw_req *dasd_eckd_build_cp_tpm_track(
tidaw_flags = 0;
last_tidaw = itcw_add_tidaw(itcw, tidaw_flags,
dst, part_len);
- if (IS_ERR(last_tidaw))
- return ERR_PTR(-EINVAL);
+ if (IS_ERR(last_tidaw)) {
+ ret = -EINVAL;
+ goto out_error;
+ }
dst += part_len;
}
}
@@ -2939,8 +2950,10 @@ static struct dasd_ccw_req *dasd_eckd_build_cp_tpm_track(
dst = page_address(bv->bv_page) + bv->bv_offset;
last_tidaw = itcw_add_tidaw(itcw, 0x00,
dst, bv->bv_len);
- if (IS_ERR(last_tidaw))
- return ERR_PTR(-EINVAL);
+ if (IS_ERR(last_tidaw)) {
+ ret = -EINVAL;
+ goto out_error;
+ }
}
}
last_tidaw->flags |= TIDAW_FLAGS_LAST;
@@ -2960,6 +2973,9 @@ static struct dasd_ccw_req *dasd_eckd_build_cp_tpm_track(
cqr->buildclk = get_clock();
cqr->status = DASD_CQR_FILLED;
return cqr;
+out_error:
+ dasd_sfree_request(cqr, startdev);
+ return ERR_PTR(ret);
}
static struct dasd_ccw_req *dasd_eckd_build_cp(struct dasd_device *startdev,