diff options
| author | Kirill Korotaev <dev@sw.ru> | 2005-09-10 00:05:53 +0400 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2005-09-10 01:19:43 +0400 |
| commit | 35311d6478077f7bfe35c1c653193e658bf32686 (patch) | |
| tree | 2bad647ab30da08786e05f988787d92815dec06e /arch | |
| parent | b95adac775aad29f79ffbbaf5db0e4d8d57f2714 (diff) | |
| download | linux-35311d6478077f7bfe35c1c653193e658bf32686.tar.xz | |
[PATCH] lost fput in 32bit ioctl on x86-64
This adds a lost fput in 32bit tiocgdev ioctl on x86-64
[ chrisw: Updated to use fget_light/fput_light ]
Signed-Off-By: Kirill Korotaev <dev@sw.ru>
Signed-Off-By: Maxim Giryaev <gem@sw.ru>
Signed-off-by: Chris Wright <chrisw@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/x86_64/ia32/ia32_ioctl.c | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/arch/x86_64/ia32/ia32_ioctl.c b/arch/x86_64/ia32/ia32_ioctl.c index d259f8a6f811..419758f19ca4 100644 --- a/arch/x86_64/ia32/ia32_ioctl.c +++ b/arch/x86_64/ia32/ia32_ioctl.c @@ -24,17 +24,26 @@ static int tiocgdev(unsigned fd, unsigned cmd, unsigned int __user *ptr) { - struct file *file = fget(fd); + struct file *file; struct tty_struct *real_tty; + int fput_needed, ret; + file = fget_light(fd, &fput_needed); if (!file) return -EBADF; + + ret = -EINVAL; if (file->f_op->ioctl != tty_ioctl) - return -EINVAL; + goto out; real_tty = (struct tty_struct *)file->private_data; if (!real_tty) - return -EINVAL; - return put_user(new_encode_dev(tty_devnum(real_tty)), ptr); + goto out; + + ret = put_user(new_encode_dev(tty_devnum(real_tty)), ptr); + +out: + fput_light(file, fput_needed); + return ret; } #define RTC_IRQP_READ32 _IOR('p', 0x0b, unsigned int) /* Read IRQ rate */ |