2010-01-27 17:22:10

by Martin Schwidefsky

[permalink] [raw]
Subject: [GIT PULL] s390 patches for 2.6.33-rc5

Hi Linus,

some minor fixes for s390, please pull from 'for-linus' branch of

git://git390.marist.edu/pub/scm/linux-2.6.git for-linus

to receive the following updates:

Felix Beck (1):
[S390] zcrypt: Do not remove coprocessor for error 8/72

Heiko Carstens (1):
[S390] irqflags: add missing types.h include

Hendrik Brueckner (1):
[S390] sclp_vt220: set initial terminal window size

Martin Schwidefsky (2):
[S390] use set_current_state in sigsuspend
[S390] fix single stepped svcs with TRACE_IRQFLAGS=y

Stefan Haberland (1):
[S390] dasd: fix possible NULL pointer errors

arch/s390/include/asm/irqflags.h | 9 +++------
arch/s390/kernel/entry.S | 1 +
arch/s390/kernel/entry64.S | 1 +
arch/s390/kernel/signal.c | 2 +-
drivers/s390/block/dasd.c | 8 ++++----
drivers/s390/block/dasd_eckd.c | 2 +-
drivers/s390/block/dasd_ioctl.c | 7 ++-----
drivers/s390/block/dasd_proc.c | 7 ++-----
drivers/s390/char/sclp_vt220.c | 4 ++++
drivers/s390/crypto/zcrypt_pcicc.c | 2 ++
drivers/s390/crypto/zcrypt_pcixcc.c | 2 ++
11 files changed, 23 insertions(+), 22 deletions(-)

diff --git a/arch/s390/include/asm/irqflags.h b/arch/s390/include/asm/irqflags.h
index 3f26131..c2fb432 100644
--- a/arch/s390/include/asm/irqflags.h
+++ b/arch/s390/include/asm/irqflags.h
@@ -1,14 +1,12 @@
/*
- * include/asm-s390/irqflags.h
- *
- * Copyright (C) IBM Corp. 2006
- * Author(s): Heiko Carstens <[email protected]>
+ * Copyright IBM Corp. 2006,2010
+ * Author(s): Martin Schwidefsky <[email protected]>
*/

#ifndef __ASM_IRQFLAGS_H
#define __ASM_IRQFLAGS_H

-#ifdef __KERNEL__
+#include <linux/types.h>

#if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ > 2)

@@ -102,5 +100,4 @@ static inline int raw_irqs_disabled_flags(unsigned long flags)
/* For spinlocks etc */
#define raw_local_irq_save(x) ((x) = raw_local_irq_disable())

-#endif /* __KERNEL__ */
#endif /* __ASM_IRQFLAGS_H */
diff --git a/arch/s390/kernel/entry.S b/arch/s390/kernel/entry.S
index 48215d1..e8ef21c 100644
--- a/arch/s390/kernel/entry.S
+++ b/arch/s390/kernel/entry.S
@@ -571,6 +571,7 @@ pgm_svcper:
mvc __THREAD_per+__PER_access_id(1,%r8),__LC_PER_ACCESS_ID
oi __TI_flags+3(%r9),_TIF_SINGLE_STEP # set TIF_SINGLE_STEP
TRACE_IRQS_ON
+ lm %r2,%r6,SP_R2(%r15) # load svc arguments
stosm __SF_EMPTY(%r15),0x03 # reenable interrupts
b BASED(sysc_do_svc)

diff --git a/arch/s390/kernel/entry64.S b/arch/s390/kernel/entry64.S
index 9aff1d4..f33658f 100644
--- a/arch/s390/kernel/entry64.S
+++ b/arch/s390/kernel/entry64.S
@@ -549,6 +549,7 @@ pgm_svcper:
mvc __THREAD_per+__PER_access_id(1,%r8),__LC_PER_ACCESS_ID
oi __TI_flags+7(%r9),_TIF_SINGLE_STEP # set TIF_SINGLE_STEP
TRACE_IRQS_ON
+ lmg %r2,%r6,SP_R2(%r15) # load svc arguments
stosm __SF_EMPTY(%r15),0x03 # reenable interrupts
j sysc_do_svc

diff --git a/arch/s390/kernel/signal.c b/arch/s390/kernel/signal.c
index 1675c48..6289945 100644
--- a/arch/s390/kernel/signal.c
+++ b/arch/s390/kernel/signal.c
@@ -64,7 +64,7 @@ SYSCALL_DEFINE3(sigsuspend, int, history0, int, history1, old_sigset_t, mask)
recalc_sigpending();
spin_unlock_irq(&current->sighand->siglock);

- current->state = TASK_INTERRUPTIBLE;
+ set_current_state(TASK_INTERRUPTIBLE);
schedule();
set_thread_flag(TIF_RESTORE_SIGMASK);

diff --git a/drivers/s390/block/dasd.c b/drivers/s390/block/dasd.c
index fdb2e7c..5905936 100644
--- a/drivers/s390/block/dasd.c
+++ b/drivers/s390/block/dasd.c
@@ -1004,8 +1004,8 @@ static void dasd_handle_killed_request(struct ccw_device *cdev,
if (device == NULL ||
device != dasd_device_from_cdev_locked(cdev) ||
strncmp(device->discipline->ebcname, (char *) &cqr->magic, 4)) {
- DBF_DEV_EVENT(DBF_DEBUG, device, "invalid device in request: "
- "bus_id %s", dev_name(&cdev->dev));
+ DBF_EVENT_DEVID(DBF_DEBUG, cdev, "%s",
+ "invalid device in request");
return;
}

@@ -1078,8 +1078,8 @@ void dasd_int_handler(struct ccw_device *cdev, unsigned long intparm,
device = (struct dasd_device *) cqr->startdev;
if (!device ||
strncmp(device->discipline->ebcname, (char *) &cqr->magic, 4)) {
- DBF_DEV_EVENT(DBF_DEBUG, device, "invalid device in request: "
- "bus_id %s", dev_name(&cdev->dev));
+ DBF_EVENT_DEVID(DBF_DEBUG, cdev, "%s",
+ "invalid device in request");
return;
}

diff --git a/drivers/s390/block/dasd_eckd.c b/drivers/s390/block/dasd_eckd.c
index 1c500c4..1cca21a 100644
--- a/drivers/s390/block/dasd_eckd.c
+++ b/drivers/s390/block/dasd_eckd.c
@@ -3033,7 +3033,7 @@ static void dasd_eckd_dump_sense_ccw(struct dasd_device *device,
len += sprintf(page + len, KERN_ERR PRINTK_HEADER
" in req: %p CS: 0x%02X DS: 0x%02X CC: 0x%02X RC: %d\n",
req, scsw_cstat(&irb->scsw), scsw_dstat(&irb->scsw),
- scsw_cc(&irb->scsw), req->intrc);
+ scsw_cc(&irb->scsw), req ? req->intrc : 0);
len += sprintf(page + len, KERN_ERR PRINTK_HEADER
" device %s: Failing CCW: %p\n",
dev_name(&device->cdev->dev),
diff --git a/drivers/s390/block/dasd_ioctl.c b/drivers/s390/block/dasd_ioctl.c
index fc7b30b..7039d9c 100644
--- a/drivers/s390/block/dasd_ioctl.c
+++ b/drivers/s390/block/dasd_ioctl.c
@@ -260,7 +260,7 @@ static int dasd_ioctl_information(struct dasd_block *block,
struct ccw_dev_id dev_id;

base = block->base;
- if (!base->discipline->fill_info)
+ if (!base->discipline || !base->discipline->fill_info)
return -EINVAL;

dasd_info = kzalloc(sizeof(struct dasd_information2_t), GFP_KERNEL);
@@ -303,10 +303,7 @@ static int dasd_ioctl_information(struct dasd_block *block,
dasd_info->features |=
((base->features & DASD_FEATURE_READONLY) != 0);

- if (base->discipline)
- memcpy(dasd_info->type, base->discipline->name, 4);
- else
- memcpy(dasd_info->type, "none", 4);
+ memcpy(dasd_info->type, base->discipline->name, 4);

if (block->request_queue->request_fn) {
struct list_head *l;
diff --git a/drivers/s390/block/dasd_proc.c b/drivers/s390/block/dasd_proc.c
index 6315fbd..71f95f5 100644
--- a/drivers/s390/block/dasd_proc.c
+++ b/drivers/s390/block/dasd_proc.c
@@ -72,7 +72,7 @@ dasd_devices_show(struct seq_file *m, void *v)
/* Print device number. */
seq_printf(m, "%s", dev_name(&device->cdev->dev));
/* Print discipline string. */
- if (device != NULL && device->discipline != NULL)
+ if (device->discipline != NULL)
seq_printf(m, "(%s)", device->discipline->name);
else
seq_printf(m, "(none)");
@@ -92,10 +92,7 @@ dasd_devices_show(struct seq_file *m, void *v)
substr = (device->features & DASD_FEATURE_READONLY) ? "(ro)" : " ";
seq_printf(m, "%4s: ", substr);
/* Print device status information. */
- switch ((device != NULL) ? device->state : -1) {
- case -1:
- seq_printf(m, "unknown");
- break;
+ switch (device->state) {
case DASD_STATE_NEW:
seq_printf(m, "new");
break;
diff --git a/drivers/s390/char/sclp_vt220.c b/drivers/s390/char/sclp_vt220.c
index b9d2a00..3796ffd 100644
--- a/drivers/s390/char/sclp_vt220.c
+++ b/drivers/s390/char/sclp_vt220.c
@@ -495,6 +495,10 @@ sclp_vt220_open(struct tty_struct *tty, struct file *filp)
if (tty->driver_data == NULL)
return -ENOMEM;
tty->low_latency = 0;
+ if (!tty->winsize.ws_row && !tty->winsize.ws_col) {
+ tty->winsize.ws_row = 24;
+ tty->winsize.ws_col = 80;
+ }
}
return 0;
}
diff --git a/drivers/s390/crypto/zcrypt_pcicc.c b/drivers/s390/crypto/zcrypt_pcicc.c
index a23726a..142f72a 100644
--- a/drivers/s390/crypto/zcrypt_pcicc.c
+++ b/drivers/s390/crypto/zcrypt_pcicc.c
@@ -373,6 +373,8 @@ static int convert_type86(struct zcrypt_device *zdev,
zdev->max_mod_size = PCICC_MAX_MOD_SIZE_OLD;
return -EAGAIN;
}
+ if (service_rc == 8 && service_rs == 72)
+ return -EINVAL;
zdev->online = 0;
return -EAGAIN; /* repeat the request on a different device. */
}
diff --git a/drivers/s390/crypto/zcrypt_pcixcc.c b/drivers/s390/crypto/zcrypt_pcixcc.c
index 79c1205..68f3e62 100644
--- a/drivers/s390/crypto/zcrypt_pcixcc.c
+++ b/drivers/s390/crypto/zcrypt_pcixcc.c
@@ -470,6 +470,8 @@ static int convert_type86_ica(struct zcrypt_device *zdev,
}
if (service_rc == 12 && service_rs == 769)
return -EINVAL;
+ if (service_rc == 8 && service_rs == 72)
+ return -EINVAL;
zdev->online = 0;
return -EAGAIN; /* repeat the request on a different device. */
}