Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6

6 files changed, 49 insertions, 39 deletions

diff --git a/drivers/s390/char/Kconfig b/drivers/s390/char/Kconfig
index 3f36cb3910e..643033890e3 100644
--- a/drivers/s390/char/Kconfig
+++ b/drivers/s390/char/Kconfig
@@ -44,15 +44,9 @@ config CCW_CONSOLE
 	depends on TN3215_CONSOLE || TN3270_CONSOLE
 	default y
 
-config SCLP
-	bool "Support for SCLP"
-	depends on S390
-	help
-	  Include support for the SCLP interface to the service element.
-
 config SCLP_TTY
 	bool "Support for SCLP line mode terminal"
-	depends on SCLP
+	depends on S390
 	help
 	  Include support for IBM SCLP line-mode terminals.
 
@@ -65,7 +59,7 @@ config SCLP_CONSOLE
 
 config SCLP_VT220_TTY
 	bool "Support for SCLP VT220-compatible terminal"
-	depends on SCLP
+	depends on S390
 	help
 	  Include support for an IBM SCLP VT220-compatible terminal.
 
@@ -78,7 +72,7 @@ config SCLP_VT220_CONSOLE
 
 config SCLP_CPI
 	tristate "Control-Program Identification"
-	depends on SCLP
+	depends on S390
 	help
 	  This option enables the hardware console interface for system
 	  identification. This is commonly used for workload management and
diff --git a/drivers/s390/char/raw3270.c b/drivers/s390/char/raw3270.c
index 743944ad61e..4f2f81b16cf 100644
--- a/drivers/s390/char/raw3270.c
+++ b/drivers/s390/char/raw3270.c
@@ -147,8 +147,7 @@ raw3270_request_alloc(size_t size)
  * Allocate a new 3270 ccw request from bootmem. Only works very
  * early in the boot process. Only con3270.c should be using this.
  */
-struct raw3270_request *
-raw3270_request_alloc_bootmem(size_t size)
+struct raw3270_request __init *raw3270_request_alloc_bootmem(size_t size)
 {
 	struct raw3270_request *rq;
 
@@ -848,8 +847,7 @@ raw3270_setup_device(struct ccw_device *cdev, struct raw3270 *rp, char *ascebc)
 /*
  * Setup 3270 device configured as console.
  */
-struct raw3270 *
-raw3270_setup_console(struct ccw_device *cdev)
+struct raw3270 __init *raw3270_setup_console(struct ccw_device *cdev)
 {
 	struct raw3270 *rp;
 	char *ascebc;
diff --git a/drivers/s390/char/sclp_vt220.c b/drivers/s390/char/sclp_vt220.c
index 726334757bb..40cd21bc5cc 100644
--- a/drivers/s390/char/sclp_vt220.c
+++ b/drivers/s390/char/sclp_vt220.c
@@ -621,11 +621,24 @@ sclp_vt220_flush_buffer(struct tty_struct *tty)
 /*
  * Initialize all relevant components and register driver with system.
  */
-static int
-__sclp_vt220_init(int early)
+static void __init __sclp_vt220_cleanup(void)
+{
+	struct list_head *page, *p;
+
+	list_for_each_safe(page, p, &sclp_vt220_empty) {
+		list_del(page);
+		if (slab_is_available())
+			free_page((unsigned long) page);
+		else
+			free_bootmem((unsigned long) page, PAGE_SIZE);
+	}
+}
+
+static int __init __sclp_vt220_init(void)
 {
 	void *page;
 	int i;
+	int num_pages;
 
 	if (sclp_vt220_initialized)
 		return 0;
@@ -642,13 +655,16 @@ __sclp_vt220_init(int early)
 	sclp_vt220_flush_later = 0;
 
 	/* Allocate pages for output buffering */
-	for (i = 0; i < (early ? MAX_CONSOLE_PAGES : MAX_KMEM_PAGES); i++) {
-		if (early)
-			page = alloc_bootmem_low_pages(PAGE_SIZE);
-		else
+	num_pages = slab_is_available() ? MAX_KMEM_PAGES : MAX_CONSOLE_PAGES;
+	for (i = 0; i < num_pages; i++) {
+		if (slab_is_available())
 			page = (void *) get_zeroed_page(GFP_KERNEL | GFP_DMA);
-		if (!page)
+		else
+			page = alloc_bootmem_low_pages(PAGE_SIZE);
+		if (!page) {
+			__sclp_vt220_cleanup();
 			return -ENOMEM;
+		}
 		list_add_tail((struct list_head *) page, &sclp_vt220_empty);
 	}
 	return 0;
@@ -662,14 +678,13 @@ static const struct tty_operations sclp_vt220_ops = {
 	.flush_chars = sclp_vt220_flush_chars,
 	.write_room = sclp_vt220_write_room,
 	.chars_in_buffer = sclp_vt220_chars_in_buffer,
-	.flush_buffer = sclp_vt220_flush_buffer
+	.flush_buffer = sclp_vt220_flush_buffer,
 };
 
 /*
  * Register driver with SCLP and Linux and initialize internal tty structures.
  */
-static int __init
-sclp_vt220_tty_init(void)
+static int __init sclp_vt220_tty_init(void)
 {
 	struct tty_driver *driver;
 	int rc;
@@ -679,18 +694,15 @@ sclp_vt220_tty_init(void)
 	driver = alloc_tty_driver(1);
 	if (!driver)
 		return -ENOMEM;
-	rc = __sclp_vt220_init(0);
-	if (rc) {
-		put_tty_driver(driver);
-		return rc;
-	}
+	rc = __sclp_vt220_init();
+	if (rc)
+		goto out_driver;
 	rc = sclp_register(&sclp_vt220_register);
 	if (rc) {
 		printk(KERN_ERR SCLP_VT220_PRINT_HEADER
 		       "could not register tty - "
 		       "sclp_register returned %d\n", rc);
-		put_tty_driver(driver);
-		return rc;
+		goto out_init;
 	}
 
 	driver->owner = THIS_MODULE;
@@ -709,14 +721,20 @@ sclp_vt220_tty_init(void)
 		printk(KERN_ERR SCLP_VT220_PRINT_HEADER
 		       "could not register tty - "
 		       "tty_register_driver returned %d\n", rc);
-		put_tty_driver(driver);
-		return rc;
+		goto out_sclp;
 	}
 	sclp_vt220_driver = driver;
 	return 0;
-}
 
-module_init(sclp_vt220_tty_init);
+out_sclp:
+	sclp_unregister(&sclp_vt220_register);
+out_init:
+	__sclp_vt220_cleanup();
+out_driver:
+	put_tty_driver(driver);
+	return rc;
+}
+__initcall(sclp_vt220_tty_init);
 
 #ifdef CONFIG_SCLP_VT220_CONSOLE
 
@@ -762,7 +780,7 @@ sclp_vt220_con_init(void)
 
 	if (!CONSOLE_IS_SCLP)
 		return 0;
-	rc = __sclp_vt220_init(1);
+	rc = __sclp_vt220_init();
 	if (rc)
 		return rc;
 	/* Attach linux console */
diff --git a/drivers/s390/char/tape.h b/drivers/s390/char/tape.h
index 3b52f5c1dbe..dddf8d62c15 100644
--- a/drivers/s390/char/tape.h
+++ b/drivers/s390/char/tape.h
@@ -188,7 +188,7 @@ struct tape_blk_data
 {
 	struct tape_device *	device;
 	/* Block device request queue. */
-	request_queue_t *	request_queue;
+	struct request_queue *	request_queue;
 	spinlock_t		request_queue_lock;
 
 	/* Task to move entries from block request to CCS request queue. */
diff --git a/drivers/s390/char/tape_block.c b/drivers/s390/char/tape_block.c
index dd0ecaed592..eeb92e2ed0c 100644
--- a/drivers/s390/char/tape_block.c
+++ b/drivers/s390/char/tape_block.c
@@ -147,7 +147,7 @@ static void
 tapeblock_requeue(struct work_struct *work) {
 	struct tape_blk_data *	blkdat;
 	struct tape_device *	device;
-	request_queue_t *	queue;
+	struct request_queue *	queue;
 	int			nr_queued;
 	struct request *	req;
 	struct list_head *	l;
@@ -194,7 +194,7 @@ tapeblock_requeue(struct work_struct *work) {
  * Tape request queue function. Called from ll_rw_blk.c
  */
 static void
-tapeblock_request_fn(request_queue_t *queue)
+tapeblock_request_fn(struct request_queue *queue)
 {
 	struct tape_device *device;
 
diff --git a/drivers/s390/char/vmur.c b/drivers/s390/char/vmur.c
index e90b0f84619..161867cebd8 100644
--- a/drivers/s390/char/vmur.c
+++ b/drivers/s390/char/vmur.c
@@ -486,7 +486,7 @@ static ssize_t diag14_read(struct file *file, char __user *ubuf, size_t count,
 		}
 		if (rc)
 			goto fail;
-		if (reclen)
+		if (reclen && (copied == 0) && (*offs < PAGE_SIZE))
 			*((u16 *) &buf[FILE_RECLEN_OFFSET]) = reclen;
 		len = min(count - copied, PAGE_SIZE - res);
 		if (copy_to_user(ubuf + copied, buf + res, len)) {