static long do_video_ioctl(struct file *file, unsigned int cmd, unsigned long arg) { union { #ifdef CONFIG_VIDEO_V4L1_COMPAT struct video_tuner vt; struct video_buffer vb; struct video_window vw; struct video_code vc; struct video_audio va; #endif struct v4l2_format v2f; struct v4l2_buffer v2b; struct v4l2_framebuffer v2fb; struct v4l2_input v2i; struct v4l2_standard v2s; struct v4l2_ext_controls v2ecs; unsigned long vx; int vi; } karg; void __user *up = compat_ptr(arg); int compatible_arg = 1; long err = 0; /* First, convert the command. */ switch (cmd) { #ifdef CONFIG_VIDEO_V4L1_COMPAT case VIDIOCGTUNER32: cmd = VIDIOCGTUNER; break; case VIDIOCSTUNER32: cmd = VIDIOCSTUNER; break; case VIDIOCGWIN32: cmd = VIDIOCGWIN; break; case VIDIOCSWIN32: cmd = VIDIOCSWIN; break; case VIDIOCGFBUF32: cmd = VIDIOCGFBUF; break; case VIDIOCSFBUF32: cmd = VIDIOCSFBUF; break; case VIDIOCGFREQ32: cmd = VIDIOCGFREQ; break; case VIDIOCSFREQ32: cmd = VIDIOCSFREQ; break; case VIDIOCSMICROCODE32: cmd = VIDIOCSMICROCODE; break; #endif case VIDIOC_G_FMT32: cmd = VIDIOC_G_FMT; break; case VIDIOC_S_FMT32: cmd = VIDIOC_S_FMT; break; case VIDIOC_QUERYBUF32: cmd = VIDIOC_QUERYBUF; break; case VIDIOC_G_FBUF32: cmd = VIDIOC_G_FBUF; break; case VIDIOC_S_FBUF32: cmd = VIDIOC_S_FBUF; break; case VIDIOC_QBUF32: cmd = VIDIOC_QBUF; break; case VIDIOC_DQBUF32: cmd = VIDIOC_DQBUF; break; case VIDIOC_ENUMSTD32: cmd = VIDIOC_ENUMSTD; break; case VIDIOC_ENUMINPUT32: cmd = VIDIOC_ENUMINPUT; break; case VIDIOC_TRY_FMT32: cmd = VIDIOC_TRY_FMT; break; case VIDIOC_G_EXT_CTRLS32: cmd = VIDIOC_G_EXT_CTRLS; break; case VIDIOC_S_EXT_CTRLS32: cmd = VIDIOC_S_EXT_CTRLS; break; case VIDIOC_TRY_EXT_CTRLS32: cmd = VIDIOC_TRY_EXT_CTRLS; break; case VIDIOC_OVERLAY32: cmd = VIDIOC_OVERLAY; break; #ifdef __OLD_VIDIOC_ case VIDIOC_OVERLAY32_OLD: cmd = VIDIOC_OVERLAY; break; #endif case VIDIOC_STREAMON32: cmd = VIDIOC_STREAMON; break; case VIDIOC_STREAMOFF32: cmd = VIDIOC_STREAMOFF; break; case VIDIOC_G_INPUT32: cmd = VIDIOC_G_INPUT; break; case VIDIOC_S_INPUT32: cmd = VIDIOC_S_INPUT; break; case VIDIOC_G_OUTPUT32: cmd = VIDIOC_G_OUTPUT; break; case VIDIOC_S_OUTPUT32: cmd = VIDIOC_S_OUTPUT; break; } switch (cmd) { #ifdef CONFIG_VIDEO_V4L1_COMPAT case VIDIOCSTUNER: case VIDIOCGTUNER: err = get_video_tuner32(&karg.vt, up); compatible_arg = 0; break; case VIDIOCSFBUF: err = get_video_buffer32(&karg.vb, up); compatible_arg = 0; break; case VIDIOCSWIN: err = get_video_window32(&karg.vw, up); compatible_arg = 0; break; case VIDIOCGWIN: case VIDIOCGFBUF: case VIDIOCGFREQ: compatible_arg = 0; break; case VIDIOCSMICROCODE: err = get_microcode32(&karg.vc, up); compatible_arg = 0; break; case VIDIOCSFREQ: err = get_user(karg.vx, (u32 __user *)up); compatible_arg = 0; break; case VIDIOCCAPTURE: case VIDIOCSYNC: case VIDIOCSWRITEMODE: #endif case VIDIOC_OVERLAY: case VIDIOC_STREAMON: case VIDIOC_STREAMOFF: case VIDIOC_S_INPUT: case VIDIOC_S_OUTPUT: err = get_user(karg.vi, (s32 __user *)up); compatible_arg = 0; break; case VIDIOC_G_INPUT: case VIDIOC_G_OUTPUT: compatible_arg = 0; break; case VIDIOC_G_FMT: case VIDIOC_S_FMT: case VIDIOC_TRY_FMT: err = get_v4l2_format32(&karg.v2f, up); compatible_arg = 0; break; case VIDIOC_QUERYBUF: case VIDIOC_QBUF: case VIDIOC_DQBUF: err = get_v4l2_buffer32(&karg.v2b, up); compatible_arg = 0; break; case VIDIOC_S_FBUF: err = get_v4l2_framebuffer32(&karg.v2fb, up); compatible_arg = 0; break; case VIDIOC_G_FBUF: compatible_arg = 0; break; case VIDIOC_ENUMSTD: err = get_v4l2_standard32(&karg.v2s, up); compatible_arg = 0; break; case VIDIOC_ENUMINPUT: err = get_v4l2_input32(&karg.v2i, up); compatible_arg = 0; break; case VIDIOC_G_EXT_CTRLS: case VIDIOC_S_EXT_CTRLS: case VIDIOC_TRY_EXT_CTRLS: err = get_v4l2_ext_controls32(&karg.v2ecs, up); compatible_arg = 0; break; } if (err) return err; if (compatible_arg) err = native_ioctl(file, cmd, (unsigned long)up); else { mm_segment_t old_fs = get_fs(); set_fs(KERNEL_DS); err = native_ioctl(file, cmd, (unsigned long)&karg); set_fs(old_fs); } /* Special case: even after an error we need to put the results back for these ioctls since the error_idx will contain information on which control failed. */ switch (cmd) { case VIDIOC_G_EXT_CTRLS: case VIDIOC_S_EXT_CTRLS: case VIDIOC_TRY_EXT_CTRLS: if (put_v4l2_ext_controls32(&karg.v2ecs, up)) err = -EFAULT; break; } if (err) return err; switch (cmd) { #ifdef CONFIG_VIDEO_V4L1_COMPAT 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; #endif case VIDIOC_S_INPUT: case VIDIOC_S_OUTPUT: case VIDIOC_G_INPUT: case VIDIOC_G_OUTPUT: err = put_user(((s32)karg.vi), (s32 __user *)up); break; case VIDIOC_G_FBUF: err = put_v4l2_framebuffer32(&karg.v2fb, up); break; case VIDIOC_G_FMT: case VIDIOC_S_FMT: case VIDIOC_TRY_FMT: err = put_v4l2_format32(&karg.v2f, up); break; case VIDIOC_QUERYBUF: case VIDIOC_QBUF: case VIDIOC_DQBUF: err = put_v4l2_buffer32(&karg.v2b, up); break; case VIDIOC_ENUMSTD: err = put_v4l2_standard32(&karg.v2s, up); break; case VIDIOC_ENUMINPUT: err = put_v4l2_input32(&karg.v2i, up); break; } return err; }
static int do_video_ioctl(struct file *file, unsigned int cmd, unsigned long arg) { union { #ifdef CONFIG_VIDEO_V4L1_COMPAT struct video_tuner vt; struct video_buffer vb; struct video_window vw; struct video_code vc; struct video_audio va; #endif struct v4l2_format v2f; struct v4l2_buffer v2b; struct v4l2_framebuffer v2fb; struct v4l2_standard v2s; struct v4l2_input v2i; struct v4l2_tuner v2t; unsigned long vx; } karg; void __user *up = compat_ptr(arg); int compatible_arg = 1; int err = 0; int realcmd = cmd; /* First, convert the command. */ switch(cmd) { #ifdef CONFIG_VIDEO_V4L1_COMPAT case VIDIOCGTUNER32: realcmd = cmd = VIDIOCGTUNER; break; case VIDIOCSTUNER32: realcmd = cmd = VIDIOCSTUNER; break; case VIDIOCGWIN32: realcmd = cmd = VIDIOCGWIN; break; case VIDIOCGFBUF32: realcmd = cmd = VIDIOCGFBUF; break; case VIDIOCSFBUF32: realcmd = cmd = VIDIOCSFBUF; break; case VIDIOCGFREQ32: realcmd = cmd = VIDIOCGFREQ; break; case VIDIOCSFREQ32: realcmd = cmd = VIDIOCSFREQ; break; case VIDIOCSMICROCODE32: realcmd = cmd = VIDIOCSMICROCODE; break; #endif case VIDIOC_G_FMT32: realcmd = cmd = VIDIOC_G_FMT; break; case VIDIOC_S_FMT32: realcmd = cmd = VIDIOC_S_FMT; break; case VIDIOC_QUERYBUF32: realcmd = cmd = VIDIOC_QUERYBUF; break; case VIDIOC_QBUF32: realcmd = cmd = VIDIOC_QBUF; break; case VIDIOC_DQBUF32: realcmd = cmd = VIDIOC_DQBUF; break; case VIDIOC_STREAMON32: realcmd = cmd = VIDIOC_STREAMON; break; case VIDIOC_STREAMOFF32: realcmd = cmd = VIDIOC_STREAMOFF; break; case VIDIOC_G_FBUF32: realcmd = cmd = VIDIOC_G_FBUF; break; case VIDIOC_S_FBUF32: realcmd = cmd = VIDIOC_S_FBUF; break; case VIDIOC_OVERLAY32: realcmd = cmd = VIDIOC_OVERLAY; break; case VIDIOC_ENUMSTD32: realcmd = VIDIOC_ENUMSTD; break; case VIDIOC_ENUMINPUT32: realcmd = VIDIOC_ENUMINPUT; break; case VIDIOC_S_CTRL32: realcmd = cmd = VIDIOC_S_CTRL; break; case VIDIOC_G_INPUT32: realcmd = cmd = VIDIOC_G_INPUT; break; case VIDIOC_S_INPUT32: realcmd = cmd = VIDIOC_S_INPUT; break; case VIDIOC_TRY_FMT32: realcmd = cmd = VIDIOC_TRY_FMT; break; }; switch(cmd) { #ifdef CONFIG_VIDEO_V4L1_COMPAT case VIDIOCSTUNER: case VIDIOCGTUNER: err = get_video_tuner32(&karg.vt, up); compatible_arg = 0; break; case VIDIOCSFBUF: err = get_video_buffer32(&karg.vb, up); compatible_arg = 0; break; case VIDIOCSFREQ: #endif case VIDIOC_S_INPUT: case VIDIOC_OVERLAY: case VIDIOC_STREAMON: case VIDIOC_STREAMOFF: err = get_user(karg.vx, (u32 __user *)up); compatible_arg = 1; break; case VIDIOC_S_FBUF: err = get_v4l2_framebuffer32(&karg.v2fb, up); compatible_arg = 0; break; case VIDIOC_G_FMT: case VIDIOC_S_FMT: case VIDIOC_TRY_FMT: err = get_v4l2_format32(&karg.v2f, up); compatible_arg = 0; break; case VIDIOC_QUERYBUF: case VIDIOC_QBUF: case VIDIOC_DQBUF: err = get_v4l2_buffer32(&karg.v2b, up); compatible_arg = 0; break; case VIDIOC_ENUMSTD: err = get_v4l2_standard(&karg.v2s, up); compatible_arg = 0; break; case VIDIOC_ENUMSTD32: err = get_v4l2_standard32(&karg.v2s, up); compatible_arg = 0; break; case VIDIOC_ENUMINPUT: err = get_v4l2_input(&karg.v2i, up); compatible_arg = 0; break; case VIDIOC_ENUMINPUT32: err = get_v4l2_input32(&karg.v2i, up); compatible_arg = 0; break; case VIDIOC_G_TUNER: case VIDIOC_S_TUNER: err = get_v4l2_tuner(&karg.v2t, up); compatible_arg = 0; break; #ifdef CONFIG_VIDEO_V4L1_COMPAT case VIDIOCGWIN: case VIDIOCGFBUF: case VIDIOCGFREQ: #endif case VIDIOC_G_FBUF: case VIDIOC_G_INPUT: compatible_arg = 0; break; #ifdef CONFIG_VIDEO_V4L1_COMPAT case VIDIOCSMICROCODE: err = microcode32(&karg.vc, up); compatible_arg = 0; break; #endif }; if(err) goto out; if(compatible_arg) err = native_ioctl(file, realcmd, (unsigned long)up); else { mm_segment_t old_fs = get_fs(); set_fs(KERNEL_DS); err = native_ioctl(file, realcmd, (unsigned long) &karg); set_fs(old_fs); } if(err == 0) { switch(cmd) { #ifdef CONFIG_VIDEO_V4L1_COMPAT 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; #endif case VIDIOC_G_FBUF: err = put_v4l2_framebuffer32(&karg.v2fb, up); break; case VIDIOC_G_FMT: case VIDIOC_S_FMT: case VIDIOC_TRY_FMT: err = put_v4l2_format32(&karg.v2f, up); break; case VIDIOC_QUERYBUF: case VIDIOC_QBUF: case VIDIOC_DQBUF: err = put_v4l2_buffer32(&karg.v2b, up); break; case VIDIOC_ENUMSTD: err = put_v4l2_standard(&karg.v2s, up); break; case VIDIOC_ENUMSTD32: err = put_v4l2_standard32(&karg.v2s, up); break; case VIDIOC_G_TUNER: case VIDIOC_S_TUNER: err = put_v4l2_tuner(&karg.v2t, up); break; case VIDIOC_ENUMINPUT: err = put_v4l2_input(&karg.v2i, up); break; case VIDIOC_ENUMINPUT32: err = put_v4l2_input32(&karg.v2i, up); break; #ifdef CONFIG_VIDEO_V4L1_COMPAT case VIDIOCGFREQ: #endif case VIDIOC_G_INPUT: err = put_user(((u32)karg.vx), (u32 __user *)up); break; }; } out: return err; }
static long do_video_ioctl(struct file *file, unsigned int cmd, unsigned long arg) { union { struct v4l2_format v2f; struct v4l2_buffer v2b; struct v4l2_framebuffer v2fb; struct v4l2_input v2i; struct v4l2_standard v2s; struct v4l2_ext_controls v2ecs; unsigned long vx; int vi; } karg; void __user *up = compat_ptr(arg); int compatible_arg = 1; long err = 0; /* First, convert the command. */ switch (cmd) { case VIDIOC_G_FMT32: cmd = VIDIOC_G_FMT; break; case VIDIOC_S_FMT32: cmd = VIDIOC_S_FMT; break; case VIDIOC_QUERYBUF32: cmd = VIDIOC_QUERYBUF; break; case VIDIOC_G_FBUF32: cmd = VIDIOC_G_FBUF; break; case VIDIOC_S_FBUF32: cmd = VIDIOC_S_FBUF; break; case VIDIOC_QBUF32: cmd = VIDIOC_QBUF; break; case VIDIOC_DQBUF32: cmd = VIDIOC_DQBUF; break; case VIDIOC_ENUMSTD32: cmd = VIDIOC_ENUMSTD; break; case VIDIOC_ENUMINPUT32: cmd = VIDIOC_ENUMINPUT; break; case VIDIOC_TRY_FMT32: cmd = VIDIOC_TRY_FMT; break; case VIDIOC_G_EXT_CTRLS32: cmd = VIDIOC_G_EXT_CTRLS; break; case VIDIOC_S_EXT_CTRLS32: cmd = VIDIOC_S_EXT_CTRLS; break; case VIDIOC_TRY_EXT_CTRLS32: cmd = VIDIOC_TRY_EXT_CTRLS; break; case VIDIOC_OVERLAY32: cmd = VIDIOC_OVERLAY; break; case VIDIOC_STREAMON32: cmd = VIDIOC_STREAMON; break; case VIDIOC_STREAMOFF32: cmd = VIDIOC_STREAMOFF; break; case VIDIOC_G_INPUT32: cmd = VIDIOC_G_INPUT; break; case VIDIOC_S_INPUT32: cmd = VIDIOC_S_INPUT; break; case VIDIOC_G_OUTPUT32: cmd = VIDIOC_G_OUTPUT; break; case VIDIOC_S_OUTPUT32: cmd = VIDIOC_S_OUTPUT; break; } switch (cmd) { case VIDIOC_OVERLAY: case VIDIOC_STREAMON: case VIDIOC_STREAMOFF: case VIDIOC_S_INPUT: case VIDIOC_S_OUTPUT: err = get_user(karg.vi, (s32 __user *)up); compatible_arg = 0; break; case VIDIOC_G_INPUT: case VIDIOC_G_OUTPUT: compatible_arg = 0; break; case VIDIOC_G_FMT: case VIDIOC_S_FMT: case VIDIOC_TRY_FMT: err = get_v4l2_format32(&karg.v2f, up); compatible_arg = 0; break; case VIDIOC_QUERYBUF: case VIDIOC_QBUF: case VIDIOC_DQBUF: err = get_v4l2_buffer32(&karg.v2b, up); compatible_arg = 0; break; case VIDIOC_S_FBUF: err = get_v4l2_framebuffer32(&karg.v2fb, up); compatible_arg = 0; break; case VIDIOC_G_FBUF: compatible_arg = 0; break; case VIDIOC_ENUMSTD: err = get_v4l2_standard32(&karg.v2s, up); compatible_arg = 0; break; case VIDIOC_ENUMINPUT: err = get_v4l2_input32(&karg.v2i, up); compatible_arg = 0; break; case VIDIOC_G_EXT_CTRLS: case VIDIOC_S_EXT_CTRLS: case VIDIOC_TRY_EXT_CTRLS: err = get_v4l2_ext_controls32(&karg.v2ecs, up); compatible_arg = 0; break; } if (err) return err; if (compatible_arg) err = native_ioctl(file, cmd, (unsigned long)up); else { mm_segment_t old_fs = get_fs(); set_fs(KERNEL_DS); err = native_ioctl(file, cmd, (unsigned long)&karg); set_fs(old_fs); } /* Special case: even after an error we need to put the results back for these ioctls since the error_idx will contain information on which control failed. */ switch (cmd) { case VIDIOC_G_EXT_CTRLS: case VIDIOC_S_EXT_CTRLS: case VIDIOC_TRY_EXT_CTRLS: if (put_v4l2_ext_controls32(&karg.v2ecs, up)) err = -EFAULT; break; } if (err) return err; switch (cmd) { case VIDIOC_S_INPUT: case VIDIOC_S_OUTPUT: case VIDIOC_G_INPUT: case VIDIOC_G_OUTPUT: err = put_user(((s32)karg.vi), (s32 __user *)up); break; case VIDIOC_G_FBUF: err = put_v4l2_framebuffer32(&karg.v2fb, up); break; case VIDIOC_G_FMT: case VIDIOC_S_FMT: case VIDIOC_TRY_FMT: err = put_v4l2_format32(&karg.v2f, up); break; case VIDIOC_QUERYBUF: case VIDIOC_QBUF: case VIDIOC_DQBUF: err = put_v4l2_buffer32(&karg.v2b, up); break; case VIDIOC_ENUMSTD: err = put_v4l2_standard32(&karg.v2s, up); break; case VIDIOC_ENUMINPUT: err = put_v4l2_input32(&karg.v2i, up); break; } return err; }