diff options
author | Linus Torvalds <torvalds@g5.osdl.org> | 2006-01-09 13:03:58 -0800 |
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committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-01-09 13:03:58 -0800 |
commit | f17578decc40df8fceff82b106582e30bdfb3189 (patch) | |
tree | 911a435a2094ac03ae649f020237674224e4124a /fs | |
parent | 682e852e2638ed0aff84aa51181c9e5d2f939562 (diff) | |
parent | cec418346e5a411e907293aba7cc21ac53c95834 (diff) |
Merge master.kernel.org:/pub/scm/linux/kernel/git/mchehab/v4l-dvb
Diffstat (limited to 'fs')
-rw-r--r-- | fs/compat_ioctl.c | 246 |
1 files changed, 0 insertions, 246 deletions
diff --git a/fs/compat_ioctl.c b/fs/compat_ioctl.c index 43a2508ac69..55d9a3a954c 100644 --- a/fs/compat_ioctl.c +++ b/fs/compat_ioctl.c @@ -207,244 +207,6 @@ static int do_ext3_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg) return sys_ioctl(fd, cmd, (unsigned long)compat_ptr(arg)); } -struct video_tuner32 { - compat_int_t tuner; - char name[32]; - compat_ulong_t rangelow, rangehigh; - u32 flags; /* It is really u32 in videodev.h */ - u16 mode, signal; -}; - -static int get_video_tuner32(struct video_tuner *kp, struct video_tuner32 __user *up) -{ - int i; - - if(get_user(kp->tuner, &up->tuner)) - return -EFAULT; - for(i = 0; i < 32; i++) - __get_user(kp->name[i], &up->name[i]); - __get_user(kp->rangelow, &up->rangelow); - __get_user(kp->rangehigh, &up->rangehigh); - __get_user(kp->flags, &up->flags); - __get_user(kp->mode, &up->mode); - __get_user(kp->signal, &up->signal); - return 0; -} - -static int put_video_tuner32(struct video_tuner *kp, struct video_tuner32 __user *up) -{ - int i; - - if(put_user(kp->tuner, &up->tuner)) - return -EFAULT; - for(i = 0; i < 32; i++) - __put_user(kp->name[i], &up->name[i]); - __put_user(kp->rangelow, &up->rangelow); - __put_user(kp->rangehigh, &up->rangehigh); - __put_user(kp->flags, &up->flags); - __put_user(kp->mode, &up->mode); - __put_user(kp->signal, &up->signal); - return 0; -} - -struct video_buffer32 { - compat_caddr_t base; - compat_int_t height, width, depth, bytesperline; -}; - -static int get_video_buffer32(struct video_buffer *kp, struct video_buffer32 __user *up) -{ - u32 tmp; - - if (get_user(tmp, &up->base)) - return -EFAULT; - - /* This is actually a physical address stored - * as a void pointer. - */ - kp->base = (void *)(unsigned long) tmp; - - __get_user(kp->height, &up->height); - __get_user(kp->width, &up->width); - __get_user(kp->depth, &up->depth); - __get_user(kp->bytesperline, &up->bytesperline); - return 0; -} - -static int put_video_buffer32(struct video_buffer *kp, struct video_buffer32 __user *up) -{ - u32 tmp = (u32)((unsigned long)kp->base); - - if(put_user(tmp, &up->base)) - return -EFAULT; - __put_user(kp->height, &up->height); - __put_user(kp->width, &up->width); - __put_user(kp->depth, &up->depth); - __put_user(kp->bytesperline, &up->bytesperline); - return 0; -} - -struct video_clip32 { - s32 x, y, width, height; /* Its really s32 in videodev.h */ - compat_caddr_t next; -}; - -struct video_window32 { - u32 x, y, width, height, chromakey, flags; - compat_caddr_t clips; - compat_int_t clipcount; -}; - -/* You get back everything except the clips... */ -static int put_video_window32(struct video_window *kp, struct video_window32 __user *up) -{ - if(put_user(kp->x, &up->x)) - return -EFAULT; - __put_user(kp->y, &up->y); - __put_user(kp->width, &up->width); - __put_user(kp->height, &up->height); - __put_user(kp->chromakey, &up->chromakey); - __put_user(kp->flags, &up->flags); - __put_user(kp->clipcount, &up->clipcount); - return 0; -} - -#define VIDIOCGTUNER32 _IOWR('v',4, struct video_tuner32) -#define VIDIOCSTUNER32 _IOW('v',5, struct video_tuner32) -#define VIDIOCGWIN32 _IOR('v',9, struct video_window32) -#define VIDIOCSWIN32 _IOW('v',10, struct video_window32) -#define VIDIOCGFBUF32 _IOR('v',11, struct video_buffer32) -#define VIDIOCSFBUF32 _IOW('v',12, struct video_buffer32) -#define VIDIOCGFREQ32 _IOR('v',14, u32) -#define VIDIOCSFREQ32 _IOW('v',15, u32) - -enum { - MaxClips = (~0U-sizeof(struct video_window))/sizeof(struct video_clip) -}; - -static int do_set_window(unsigned int fd, unsigned int cmd, unsigned long arg) -{ - struct video_window32 __user *up = compat_ptr(arg); - struct video_window __user *vw; - struct video_clip __user *p; - int nclips; - u32 n; - - if (get_user(nclips, &up->clipcount)) - return -EFAULT; - - /* Peculiar interface... */ - if (nclips < 0) - nclips = VIDEO_CLIPMAP_SIZE; - - if (nclips > MaxClips) - return -ENOMEM; - - vw = compat_alloc_user_space(sizeof(struct video_window) + - nclips * sizeof(struct video_clip)); - - p = nclips ? (struct video_clip __user *)(vw + 1) : NULL; - - if (get_user(n, &up->x) || put_user(n, &vw->x) || - get_user(n, &up->y) || put_user(n, &vw->y) || - get_user(n, &up->width) || put_user(n, &vw->width) || - get_user(n, &up->height) || put_user(n, &vw->height) || - get_user(n, &up->chromakey) || put_user(n, &vw->chromakey) || - get_user(n, &up->flags) || put_user(n, &vw->flags) || - get_user(n, &up->clipcount) || put_user(n, &vw->clipcount) || - get_user(n, &up->clips) || put_user(p, &vw->clips)) - return -EFAULT; - - if (nclips) { - struct video_clip32 __user *u = compat_ptr(n); - int i; - if (!u) - return -EINVAL; - for (i = 0; i < nclips; i++, u++, p++) { - s32 v; - if (get_user(v, &u->x) || - put_user(v, &p->x) || - get_user(v, &u->y) || - put_user(v, &p->y) || - get_user(v, &u->width) || - put_user(v, &p->width) || - get_user(v, &u->height) || - put_user(v, &p->height) || - put_user(NULL, &p->next)) - return -EFAULT; - } - } - - return sys_ioctl(fd, VIDIOCSWIN, (unsigned long)p); -} - -static int do_video_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg) -{ - union { - struct video_tuner vt; - struct video_buffer vb; - struct video_window vw; - unsigned long vx; - } karg; - mm_segment_t old_fs = get_fs(); - void __user *up = compat_ptr(arg); - int err = 0; - - /* First, convert the command. */ - switch(cmd) { - case VIDIOCGTUNER32: cmd = VIDIOCGTUNER; break; - case VIDIOCSTUNER32: cmd = VIDIOCSTUNER; break; - case VIDIOCGWIN32: cmd = VIDIOCGWIN; break; - case VIDIOCGFBUF32: cmd = VIDIOCGFBUF; break; - case VIDIOCSFBUF32: cmd = VIDIOCSFBUF; break; - case VIDIOCGFREQ32: cmd = VIDIOCGFREQ; break; - case VIDIOCSFREQ32: cmd = VIDIOCSFREQ; break; - }; - - switch(cmd) { - case VIDIOCSTUNER: - case VIDIOCGTUNER: - err = get_video_tuner32(&karg.vt, up); - break; - - case VIDIOCSFBUF: - err = get_video_buffer32(&karg.vb, up); - break; - - case VIDIOCSFREQ: - err = get_user(karg.vx, (u32 __user *)up); - break; - }; - if(err) - goto out; - - set_fs(KERNEL_DS); - err = sys_ioctl(fd, cmd, (unsigned long)&karg); - set_fs(old_fs); - - if(err == 0) { - switch(cmd) { - case VIDIOCGTUNER: - err = put_video_tuner32(&karg.vt, up); - break; - - case VIDIOCGWIN: - err = put_video_window32(&karg.vw, up); - break; - - case VIDIOCGFBUF: - err = put_video_buffer32(&karg.vb, up); - break; - - case VIDIOCGFREQ: - err = put_user(((u32)karg.vx), (u32 __user *)up); - break; - }; - } -out: - return err; -} - struct compat_dmx_event { dmx_event_t event; compat_time_t timeStamp; @@ -3015,14 +2777,6 @@ COMPATIBLE_IOCTL(EXT3_IOC_GROUP_ADD) #ifdef CONFIG_JBD_DEBUG HANDLE_IOCTL(EXT3_IOC32_WAIT_FOR_READONLY, do_ext3_ioctl) #endif -HANDLE_IOCTL(VIDIOCGTUNER32, do_video_ioctl) -HANDLE_IOCTL(VIDIOCSTUNER32, do_video_ioctl) -HANDLE_IOCTL(VIDIOCGWIN32, do_video_ioctl) -HANDLE_IOCTL(VIDIOCSWIN32, do_set_window) -HANDLE_IOCTL(VIDIOCGFBUF32, do_video_ioctl) -HANDLE_IOCTL(VIDIOCSFBUF32, do_video_ioctl) -HANDLE_IOCTL(VIDIOCGFREQ32, do_video_ioctl) -HANDLE_IOCTL(VIDIOCSFREQ32, do_video_ioctl) /* One SMB ioctl needs translations. */ #define SMB_IOC_GETMOUNTUID_32 _IOR('u', 1, compat_uid_t) HANDLE_IOCTL(SMB_IOC_GETMOUNTUID_32, do_smb_getmountuid) |