diff options
Diffstat (limited to 'drivers/s390/cio/css.c')
| -rw-r--r-- | drivers/s390/cio/css.c | 33 |
1 files changed, 23 insertions, 10 deletions
diff --git a/drivers/s390/cio/css.c b/drivers/s390/cio/css.c index dfca0ef139fd..5635e656c1a3 100644 --- a/drivers/s390/cio/css.c +++ b/drivers/s390/cio/css.c @@ -79,6 +79,7 @@ css_alloc_subchannel(struct subchannel_id schid) sch->schib.pmcw.intparm = (__u32)(unsigned long)sch; ret = cio_modify(sch); if (ret) { + kfree(sch->lock); kfree(sch); return ERR_PTR(ret); } @@ -109,7 +110,7 @@ css_subchannel_release(struct device *dev) } } -int css_sch_device_register(struct subchannel *sch) +static int css_sch_device_register(struct subchannel *sch) { int ret; @@ -184,8 +185,8 @@ static int css_register_subchannel(struct subchannel *sch) /* make it known to the system */ ret = css_sch_device_register(sch); if (ret) { - printk (KERN_WARNING "%s: could not register %s\n", - __func__, sch->dev.bus_id); + CIO_MSG_EVENT(0, "Could not register sch 0.%x.%04x: %d\n", + sch->schid.ssid, sch->schid.sch_no, ret); return ret; } return ret; @@ -371,15 +372,12 @@ static int __init slow_subchannel_init(void) spin_lock_init(&slow_subchannel_lock); slow_subchannel_set = idset_sch_new(); if (!slow_subchannel_set) { - printk(KERN_WARNING "cio: could not allocate slow subchannel " - "set\n"); + CIO_MSG_EVENT(0, "could not allocate slow subchannel set\n"); return -ENOMEM; } return 0; } -subsys_initcall(slow_subchannel_init); - static void css_slow_path_func(struct work_struct *unused) { struct subchannel_id schid; @@ -425,8 +423,8 @@ static int reprobe_subchannel(struct subchannel_id schid, void *data) struct subchannel *sch; int ret; - CIO_DEBUG(KERN_INFO, 6, "cio: reprobe 0.%x.%04x\n", - schid.ssid, schid.sch_no); + CIO_MSG_EVENT(6, "cio: reprobe 0.%x.%04x\n", + schid.ssid, schid.sch_no); if (need_reprobe) return -EAGAIN; @@ -642,9 +640,20 @@ init_channel_subsystem (void) { int ret, i; - if (chsc_determine_css_characteristics() == 0) + ret = chsc_determine_css_characteristics(); + if (ret == -ENOMEM) + goto out; /* No need to continue. */ + if (ret == 0) css_characteristics_avail = 1; + ret = chsc_alloc_sei_area(); + if (ret) + goto out; + + ret = slow_subchannel_init(); + if (ret) + goto out; + if ((ret = bus_register(&css_bus_type))) goto out; @@ -710,6 +719,10 @@ out_unregister: out_bus: bus_unregister(&css_bus_type); out: + chsc_free_sei_area(); + kfree(slow_subchannel_set); + printk(KERN_WARNING"cio: failed to initialize css driver (%d)!\n", + ret); return ret; } |