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-rw-r--r--drivers/s390/char/con3215.c25
-rw-r--r--drivers/s390/char/fs3270.c20
-rw-r--r--drivers/s390/char/sclp_cpi.c2
-rw-r--r--drivers/s390/char/sclp_quiesce.c2
-rw-r--r--drivers/s390/char/sclp_tty.c21
-rw-r--r--drivers/s390/char/sclp_vt220.c12
-rw-r--r--drivers/s390/char/tape_block.c4
-rw-r--r--drivers/s390/char/tape_char.c20
-rw-r--r--drivers/s390/char/vmwatchdog.c2
9 files changed, 54 insertions, 54 deletions
diff --git a/drivers/s390/char/con3215.c b/drivers/s390/char/con3215.c
index 75419cf9d35..1f060914cfa 100644
--- a/drivers/s390/char/con3215.c
+++ b/drivers/s390/char/con3215.c
@@ -16,6 +16,7 @@
#include <linux/types.h>
#include <linux/kdev_t.h>
#include <linux/tty.h>
+#include <linux/tty_flip.h>
#include <linux/vt_kern.h>
#include <linux/init.h>
#include <linux/console.h>
@@ -432,8 +433,6 @@ raw3215_irq(struct ccw_device *cdev, unsigned long intparm, struct irb *irb)
if (count > slen)
count = slen;
} else
- if (count >= TTY_FLIPBUF_SIZE - tty->flip.count)
- count = TTY_FLIPBUF_SIZE - tty->flip.count - 1;
EBCASC(raw->inbuf, count);
cchar = ctrlchar_handle(raw->inbuf, count, tty);
switch (cchar & CTRLCHAR_MASK) {
@@ -441,28 +440,20 @@ raw3215_irq(struct ccw_device *cdev, unsigned long intparm, struct irb *irb)
break;
case CTRLCHAR_CTRL:
- tty->flip.count++;
- *tty->flip.flag_buf_ptr++ = TTY_NORMAL;
- *tty->flip.char_buf_ptr++ = cchar;
+ tty_insert_flip_char(tty, cchar, TTY_NORMAL);
tty_flip_buffer_push(raw->tty);
break;
case CTRLCHAR_NONE:
- memcpy(tty->flip.char_buf_ptr,
- raw->inbuf, count);
if (count < 2 ||
- (strncmp(raw->inbuf+count-2, "^n", 2) &&
- strncmp(raw->inbuf+count-2, "\252n", 2)) ) {
- /* don't add the auto \n */
- tty->flip.char_buf_ptr[count] = '\n';
- memset(tty->flip.flag_buf_ptr,
- TTY_NORMAL, count + 1);
+ (strncmp(raw->inbuf+count-2, "\252n", 2) &&
+ strncmp(raw->inbuf+count-2, "^n", 2)) ) {
+ /* add the auto \n */
+ raw->inbuf[count] = '\n';
count++;
} else
- count-=2;
- tty->flip.char_buf_ptr += count;
- tty->flip.flag_buf_ptr += count;
- tty->flip.count += count;
+ count -= 2;
+ tty_insert_flip_string(tty, raw->inbuf, count);
tty_flip_buffer_push(raw->tty);
break;
}
diff --git a/drivers/s390/char/fs3270.c b/drivers/s390/char/fs3270.c
index 735a7fcdeff..5f6fa4c6784 100644
--- a/drivers/s390/char/fs3270.c
+++ b/drivers/s390/char/fs3270.c
@@ -319,9 +319,8 @@ fs3270_write(struct file *filp, const char *data, size_t count, loff_t *off)
/*
* process ioctl commands for the tube driver
*/
-static int
-fs3270_ioctl(struct inode *inode, struct file *filp,
- unsigned int cmd, unsigned long arg)
+static long
+fs3270_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
{
struct fs3270 *fp;
struct raw3270_iocb iocb;
@@ -331,6 +330,7 @@ fs3270_ioctl(struct inode *inode, struct file *filp,
if (!fp)
return -ENODEV;
rc = 0;
+ lock_kernel();
switch (cmd) {
case TUBICMD:
fp->read_command = arg;
@@ -356,6 +356,7 @@ fs3270_ioctl(struct inode *inode, struct file *filp,
rc = -EFAULT;
break;
}
+ unlock_kernel();
return rc;
}
@@ -491,12 +492,13 @@ fs3270_close(struct inode *inode, struct file *filp)
}
static struct file_operations fs3270_fops = {
- .owner = THIS_MODULE, /* owner */
- .read = fs3270_read, /* read */
- .write = fs3270_write, /* write */
- .ioctl = fs3270_ioctl, /* ioctl */
- .open = fs3270_open, /* open */
- .release = fs3270_close, /* release */
+ .owner = THIS_MODULE, /* owner */
+ .read = fs3270_read, /* read */
+ .write = fs3270_write, /* write */
+ .unlocked_ioctl = fs3270_ioctl, /* ioctl */
+ .compat_ioctl = fs3270_ioctl, /* ioctl */
+ .open = fs3270_open, /* open */
+ .release = fs3270_close, /* release */
};
/*
diff --git a/drivers/s390/char/sclp_cpi.c b/drivers/s390/char/sclp_cpi.c
index 5a6cef2dfa1..80f7f31310e 100644
--- a/drivers/s390/char/sclp_cpi.c
+++ b/drivers/s390/char/sclp_cpi.c
@@ -204,7 +204,7 @@ cpi_module_init(void)
printk(KERN_WARNING "cpi: no control program identification "
"support\n");
sclp_unregister(&sclp_cpi_event);
- return -ENOTSUPP;
+ return -EOPNOTSUPP;
}
req = cpi_prepare_req();
diff --git a/drivers/s390/char/sclp_quiesce.c b/drivers/s390/char/sclp_quiesce.c
index 83f75774df6..56fa6916889 100644
--- a/drivers/s390/char/sclp_quiesce.c
+++ b/drivers/s390/char/sclp_quiesce.c
@@ -32,7 +32,7 @@ do_load_quiesce_psw(void * __unused)
psw_t quiesce_psw;
int cpu;
- if (atomic_compare_and_swap(-1, smp_processor_id(), &cpuid))
+ if (atomic_cmpxchg(&cpuid, -1, smp_processor_id()) != -1)
signal_processor(smp_processor_id(), sigp_stop);
/* Wait for all other cpus to enter stopped state */
for_each_online_cpu(cpu) {
diff --git a/drivers/s390/char/sclp_tty.c b/drivers/s390/char/sclp_tty.c
index a20d7c89341..6cbf067f1a8 100644
--- a/drivers/s390/char/sclp_tty.c
+++ b/drivers/s390/char/sclp_tty.c
@@ -13,6 +13,7 @@
#include <linux/kmod.h>
#include <linux/tty.h>
#include <linux/tty_driver.h>
+#include <linux/tty_flip.h>
#include <linux/sched.h>
#include <linux/wait.h>
#include <linux/slab.h>
@@ -496,25 +497,19 @@ sclp_tty_input(unsigned char* buf, unsigned int count)
case CTRLCHAR_SYSRQ:
break;
case CTRLCHAR_CTRL:
- sclp_tty->flip.count++;
- *sclp_tty->flip.flag_buf_ptr++ = TTY_NORMAL;
- *sclp_tty->flip.char_buf_ptr++ = cchar;
+ tty_insert_flip_char(sclp_tty, cchar, TTY_NORMAL);
tty_flip_buffer_push(sclp_tty);
break;
case CTRLCHAR_NONE:
/* send (normal) input to line discipline */
- memcpy(sclp_tty->flip.char_buf_ptr, buf, count);
if (count < 2 ||
- (strncmp ((const char *) buf + count - 2, "^n", 2) &&
- strncmp ((const char *) buf + count - 2, "\0252n", 2))) {
- sclp_tty->flip.char_buf_ptr[count] = '\n';
- count++;
+ (strncmp((const char *) buf + count - 2, "^n", 2) &&
+ strncmp((const char *) buf + count - 2, "\252n", 2))) {
+ /* add the auto \n */
+ tty_insert_flip_string(sclp_tty, buf, count);
+ tty_insert_flip_char(sclp_tty, '\n', TTY_NORMAL);
} else
- count -= 2;
- memset(sclp_tty->flip.flag_buf_ptr, TTY_NORMAL, count);
- sclp_tty->flip.char_buf_ptr += count;
- sclp_tty->flip.flag_buf_ptr += count;
- sclp_tty->flip.count += count;
+ tty_insert_flip_string(sclp_tty, buf, count - 2);
tty_flip_buffer_push(sclp_tty);
break;
}
diff --git a/drivers/s390/char/sclp_vt220.c b/drivers/s390/char/sclp_vt220.c
index 06bd85824d7..9e02625c82c 100644
--- a/drivers/s390/char/sclp_vt220.c
+++ b/drivers/s390/char/sclp_vt220.c
@@ -16,6 +16,7 @@
#include <linux/kernel.h>
#include <linux/tty.h>
#include <linux/tty_driver.h>
+#include <linux/tty_flip.h>
#include <linux/sched.h>
#include <linux/errno.h>
#include <linux/mm.h>
@@ -482,16 +483,7 @@ sclp_vt220_receiver_fn(struct evbuf_header *evbuf)
/* Send input to line discipline */
buffer++;
count--;
- /* Prevent buffer overrun by discarding input. Note that
- * because buffer_push works asynchronously, we cannot wait
- * for the buffer to be emptied. */
- if (count + sclp_vt220_tty->flip.count > TTY_FLIPBUF_SIZE)
- count = TTY_FLIPBUF_SIZE - sclp_vt220_tty->flip.count;
- memcpy(sclp_vt220_tty->flip.char_buf_ptr, buffer, count);
- memset(sclp_vt220_tty->flip.flag_buf_ptr, TTY_NORMAL, count);
- sclp_vt220_tty->flip.char_buf_ptr += count;
- sclp_vt220_tty->flip.flag_buf_ptr += count;
- sclp_vt220_tty->flip.count += count;
+ tty_insert_flip_string(sclp_vt220_tty, buffer, count);
tty_flip_buffer_push(sclp_vt220_tty);
break;
}
diff --git a/drivers/s390/char/tape_block.c b/drivers/s390/char/tape_block.c
index 1efc9f21229..5ced2725d6c 100644
--- a/drivers/s390/char/tape_block.c
+++ b/drivers/s390/char/tape_block.c
@@ -65,7 +65,7 @@ static void
tapeblock_trigger_requeue(struct tape_device *device)
{
/* Protect against rescheduling. */
- if (atomic_compare_and_swap(0, 1, &device->blk_data.requeue_scheduled))
+ if (atomic_cmpxchg(&device->blk_data.requeue_scheduled, 0, 1) != 0)
return;
schedule_work(&device->blk_data.requeue_task);
}
@@ -78,7 +78,7 @@ tapeblock_end_request(struct request *req, int uptodate)
{
if (end_that_request_first(req, uptodate, req->hard_nr_sectors))
BUG();
- end_that_request_last(req);
+ end_that_request_last(req, uptodate);
}
static void
diff --git a/drivers/s390/char/tape_char.c b/drivers/s390/char/tape_char.c
index 86262a13f7c..5ce7ca38ace 100644
--- a/drivers/s390/char/tape_char.c
+++ b/drivers/s390/char/tape_char.c
@@ -37,6 +37,8 @@ static int tapechar_open(struct inode *,struct file *);
static int tapechar_release(struct inode *,struct file *);
static int tapechar_ioctl(struct inode *, struct file *, unsigned int,
unsigned long);
+static long tapechar_compat_ioctl(struct file *, unsigned int,
+ unsigned long);
static struct file_operations tape_fops =
{
@@ -44,6 +46,7 @@ static struct file_operations tape_fops =
.read = tapechar_read,
.write = tapechar_write,
.ioctl = tapechar_ioctl,
+ .compat_ioctl = tapechar_compat_ioctl,
.open = tapechar_open,
.release = tapechar_release,
};
@@ -463,6 +466,23 @@ tapechar_ioctl(struct inode *inp, struct file *filp,
return device->discipline->ioctl_fn(device, no, data);
}
+static long
+tapechar_compat_ioctl(struct file *filp, unsigned int no, unsigned long data)
+{
+ struct tape_device *device = filp->private_data;
+ int rval = -ENOIOCTLCMD;
+
+ if (device->discipline->ioctl_fn) {
+ lock_kernel();
+ rval = device->discipline->ioctl_fn(device, no, data);
+ unlock_kernel();
+ if (rval == -EINVAL)
+ rval = -ENOIOCTLCMD;
+ }
+
+ return rval;
+}
+
/*
* Initialize character device frontend.
*/
diff --git a/drivers/s390/char/vmwatchdog.c b/drivers/s390/char/vmwatchdog.c
index 5473c23fcb5..5acc0ace3d7 100644
--- a/drivers/s390/char/vmwatchdog.c
+++ b/drivers/s390/char/vmwatchdog.c
@@ -66,7 +66,7 @@ static int __diag288(enum vmwdt_func func, unsigned int timeout,
__cmdl = len;
err = 0;
asm volatile (
-#ifdef __s390x__
+#ifdef CONFIG_64BIT
"diag %2,%4,0x288\n"
"1: \n"
".section .fixup,\"ax\"\n"
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-23 17:27:21 +0000