diff options
| author | Ingo Molnar <mingo@elte.hu> | 2010-02-08 10:55:43 +0300 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2010-02-08 10:55:46 +0300 |
| commit | 6d3e0907b8b239d16720d144e2675ecf10d3bc3b (patch) | |
| tree | e0b0743b5f6f82b057cafc4f3687396a6e01a0b4 /drivers/s390/char/fs3270.c | |
| parent | 23577256953c870de9b724c3a2611ce7be6a1e4e (diff) | |
| parent | 50200df462023b187d80a99a52f5f2cfe3c86c26 (diff) | |
| download | linux-6d3e0907b8b239d16720d144e2675ecf10d3bc3b.tar.xz | |
Merge branch 'sched/urgent' into sched/core
Merge reason: Merge dependent fix, update to latest -rc.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'drivers/s390/char/fs3270.c')
| -rw-r--r-- | drivers/s390/char/fs3270.c | 17 |
1 files changed, 11 insertions, 6 deletions
diff --git a/drivers/s390/char/fs3270.c b/drivers/s390/char/fs3270.c index 247b2b934728..31c59b0d6df0 100644 --- a/drivers/s390/char/fs3270.c +++ b/drivers/s390/char/fs3270.c @@ -15,6 +15,7 @@ #include <linux/types.h> #include <linux/smp_lock.h> +#include <asm/compat.h> #include <asm/ccwdev.h> #include <asm/cio.h> #include <asm/ebcdic.h> @@ -322,6 +323,7 @@ fs3270_write(struct file *filp, const char __user *data, size_t count, loff_t *o static long fs3270_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) { + char __user *argp; struct fs3270 *fp; struct raw3270_iocb iocb; int rc; @@ -329,6 +331,10 @@ fs3270_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) fp = filp->private_data; if (!fp) return -ENODEV; + if (is_compat_task()) + argp = compat_ptr(arg); + else + argp = (char __user *)arg; rc = 0; mutex_lock(&fs3270_mutex); switch (cmd) { @@ -339,10 +345,10 @@ fs3270_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) fp->write_command = arg; break; case TUBGETI: - rc = put_user(fp->read_command, (char __user *) arg); + rc = put_user(fp->read_command, argp); break; case TUBGETO: - rc = put_user(fp->write_command,(char __user *) arg); + rc = put_user(fp->write_command, argp); break; case TUBGETMOD: iocb.model = fp->view.model; @@ -351,8 +357,7 @@ fs3270_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) iocb.pf_cnt = 24; iocb.re_cnt = 20; iocb.map = 0; - if (copy_to_user((char __user *) arg, &iocb, - sizeof(struct raw3270_iocb))) + if (copy_to_user(argp, &iocb, sizeof(struct raw3270_iocb))) rc = -EFAULT; break; } @@ -511,8 +516,8 @@ static const struct file_operations fs3270_fops = { .write = fs3270_write, /* write */ .unlocked_ioctl = fs3270_ioctl, /* ioctl */ .compat_ioctl = fs3270_ioctl, /* ioctl */ - .open = fs3270_open, /* open */ - .release = fs3270_close, /* release */ + .open = fs3270_open, /* open */ + .release = fs3270_close, /* release */ }; /* |