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>

1 files changed, 54 insertions, 8 deletions

diff --git a/drivers/media/video/compat_ioctl32.c b/drivers/media/video/compat_ioctl32.c
index 4b14942dd91c..27945e082195 100644
--- 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;