V4L/DVB (3152): Fixes some troubles at v4l2 compat stuff

- This patch fixes merge and typo problems in v4l2/compat, and fixes
VIDIOC_STREAMON, VIDIOC_STREAMOFF & VIDIOC_S_FBUF.

Signed-off-by: Philippe De Muyter <phdm@macqel.be>
Signed-off-by: Mauro Carvalho Chehab <mchehab@brturbo.com.br>

diff --git a/drivers/media/video/compat_ioctl32.c b/drivers/media/video/compat_ioctl32.c
index 4b14942dd91cb4901adc57c3f1abe8834da53e8a..27945e0821954b17bb5f63358a78100f5ed89dd4 100644 (file)
--- a/drivers/media/video/compat_ioctl32.c
+++ b/drivers/media/video/compat_ioctl32.c
@@ -106,11 +106,11 @@ static int native_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 {
        int ret = -ENOIOCTLCMD;
 
-       if (file->f_ops->unlocked_ioctl)
-               ret = file->f_ops->unlocked_ioctl(file, cmd, arg);
-       else if (file->f_ops->ioctl) {
+       if (file->f_op->unlocked_ioctl)
+               ret = file->f_op->unlocked_ioctl(file, cmd, arg);
+       else if (file->f_op->ioctl) {
                lock_kernel();
-               ret = file->f_ops->ioctl(file->f_dentry->d_inode, file, cmd, arg);
+               ret = file->f_op->ioctl(file->f_dentry->d_inode, file, cmd, arg);
                unlock_kernel();
        }
 
@@ -367,6 +367,19 @@ struct v4l2_framebuffer32
        struct v4l2_pix_format  fmt;
 };
 
+static int get_v4l2_framebuffer32(struct v4l2_framebuffer *kp, struct v4l2_framebuffer32 __user *up)
+{
+       u32 tmp;
+
+       if (get_user(tmp, &up->base))
+               return -EFAULT;
+       kp->base = compat_ptr(tmp);
+       __get_user(kp->capability, &up->capability);
+       __get_user(kp->flags, &up->flags);
+       get_v4l2_pix_format(&kp->fmt, &up->fmt);
+       return 0;
+}
+
 static int put_v4l2_framebuffer32(struct v4l2_framebuffer *kp, struct v4l2_framebuffer32 __user *up)
 {
        u32 tmp = (u32)((unsigned long)kp->base);
@@ -404,6 +417,7 @@ struct v4l2_input32         /* identical layout, but different size */
 #define VIDIOC_S_FMT32         _IOWR ('V',  5, struct v4l2_format32)
 #define VIDIOC_QUERYBUF32      _IOWR ('V',  9, struct v4l2_buffer32)
 #define VIDIOC_G_FBUF32                _IOR  ('V', 10, struct v4l2_framebuffer32)
+#define VIDIOC_S_FBUF32                _IOW  ('V', 11, struct v4l2_framebuffer32)
 /* VIDIOC_OVERLAY is now _IOW, but was _IOWR */
 #define VIDIOC_OVERLAY32       _IOWR ('V', 14, compat_int_t)
 #define VIDIOC_QBUF32          _IOWR ('V', 15, struct v4l2_buffer32)
@@ -511,6 +525,7 @@ static int do_video_ioctl(struct file *file, unsigned int cmd, unsigned long arg
        case VIDIOC_STREAMON32: cmd = VIDIOC_STREAMON; break;
        case VIDIOC_STREAMOFF32: cmd = VIDIOC_STREAMOFF; break;
        case VIDIOC_G_FBUF32: cmd = VIDIOC_G_FBUF; break;
+       case VIDIOC_S_FBUF32: cmd = VIDIOC_S_FBUF; break;
        case VIDIOC_OVERLAY32: cmd = VIDIOC_OVERLAY; break;
        case VIDIOC_ENUMSTD32: cmd = VIDIOC_ENUMSTD; break;
        case VIDIOC_ENUMINPUT32: cmd = VIDIOC_ENUMINPUT; break;
@@ -536,10 +551,16 @@ static int do_video_ioctl(struct file *file, unsigned int cmd, unsigned long arg
        case VIDIOCSFREQ:
        case VIDIOC_S_INPUT:
        case VIDIOC_OVERLAY:
+       case VIDIOC_STREAMON:
+       case VIDIOC_STREAMOFF:
                err = get_user(karg.vx, (u32 __user *)up);
                compatible_arg = 0;
                break;
-       };
+
+       case VIDIOC_S_FBUF:
+               err = get_v4l2_framebuffer32(&karg.v2fb, up);
+               compatible_arg = 0;
+               break;
 
        case VIDIOC_G_FMT:
        case VIDIOC_S_FMT:
@@ -566,17 +587,18 @@ static int do_video_ioctl(struct file *file, unsigned int cmd, unsigned long arg
        case VIDIOC_G_FBUF:
        case VIDIOC_G_INPUT:
                compatible_arg = 0;
+       };
 
        if(err)
                goto out;
 
        if(compatible_arg)
-               err = sys_ioctl(fd, cmd, (unsigned long)up);
+               err = native_ioctl(file, cmd, (unsigned long)up);
        else {
                mm_segment_t old_fs = get_fs();
 
                set_fs(KERNEL_DS);
-               err = sys_ioctl(fd, cmd, (unsigned long)&karg);
+               err = native_ioctl(file, cmd, (unsigned long)&karg);
                set_fs(old_fs);
        }
        if(err == 0) {
@@ -627,7 +649,7 @@ long v4l_compat_ioctl32(struct file *file, unsigned int cmd, unsigned long arg)
 {
        int ret = -ENOIOCTLCMD;
 
-       if (!file->f_ops->ioctl)
+       if (!file->f_op->ioctl)
                return ret;
 
        switch (cmd) {
@@ -641,6 +663,30 @@ long v4l_compat_ioctl32(struct file *file, unsigned int cmd, unsigned long arg)
        case VIDIOCSFBUF32:
        case VIDIOCGFREQ32:
        case VIDIOCSFREQ32:
+       case VIDIOC_QUERYCAP:
+       case VIDIOC_ENUM_FMT:
+       case VIDIOC_G_FMT32:
+       case VIDIOC_S_FMT32:
+       case VIDIOC_REQBUFS:
+       case VIDIOC_QUERYBUF32:
+       case VIDIOC_G_FBUF32:
+       case VIDIOC_S_FBUF32:
+       case VIDIOC_OVERLAY32:
+       case VIDIOC_QBUF32:
+       case VIDIOC_DQBUF32:
+       case VIDIOC_STREAMON32:
+       case VIDIOC_STREAMOFF32:
+       case VIDIOC_G_PARM:
+       case VIDIOC_G_STD:
+       case VIDIOC_S_STD:
+       case VIDIOC_ENUMSTD32:
+       case VIDIOC_ENUMINPUT32:
+       case VIDIOC_G_CTRL:
+       case VIDIOC_S_CTRL32:
+       case VIDIOC_QUERYCTRL:
+       case VIDIOC_G_INPUT32:
+       case VIDIOC_S_INPUT32:
+       case VIDIOC_TRY_FMT32:
                ret = do_video_ioctl(file, cmd, arg);
                break;