diff options
Diffstat (limited to 'drivers/char/drm/mga_ioc32.c')
| -rw-r--r-- | drivers/char/drm/mga_ioc32.c | 60 |
1 files changed, 29 insertions, 31 deletions
diff --git a/drivers/char/drm/mga_ioc32.c b/drivers/char/drm/mga_ioc32.c index 77d738e75a4d..24a9d4e86af0 100644 --- a/drivers/char/drm/mga_ioc32.c +++ b/drivers/char/drm/mga_ioc32.c @@ -39,17 +39,17 @@ typedef struct drm32_mga_init { int func; - u32 sarea_priv_offset; + u32 sarea_priv_offset; int chipset; - int sgram; + int sgram; unsigned int maccess; - unsigned int fb_cpp; + unsigned int fb_cpp; unsigned int front_offset, front_pitch; - unsigned int back_offset, back_pitch; - unsigned int depth_cpp; - unsigned int depth_offset, depth_pitch; - unsigned int texture_offset[MGA_NR_TEX_HEAPS]; - unsigned int texture_size[MGA_NR_TEX_HEAPS]; + unsigned int back_offset, back_pitch; + unsigned int depth_cpp; + unsigned int depth_offset, depth_pitch; + unsigned int texture_offset[MGA_NR_TEX_HEAPS]; + unsigned int texture_size[MGA_NR_TEX_HEAPS]; u32 fb_offset; u32 mmio_offset; u32 status_offset; @@ -64,10 +64,10 @@ static int compat_mga_init(struct file *file, unsigned int cmd, drm_mga_init32_t init32; drm_mga_init_t __user *init; int err = 0, i; - + if (copy_from_user(&init32, (void __user *)arg, sizeof(init32))) return -EFAULT; - + init = compat_alloc_user_space(sizeof(*init)); if (!access_ok(VERIFY_WRITE, init, sizeof(*init)) || __put_user(init32.func, &init->func) @@ -90,42 +90,43 @@ static int compat_mga_init(struct file *file, unsigned int cmd, || __put_user(init32.primary_offset, &init->primary_offset) || __put_user(init32.buffers_offset, &init->buffers_offset)) return -EFAULT; - - for (i=0; i<MGA_NR_TEX_HEAPS; i++) - { - err |= __put_user(init32.texture_offset[i], &init->texture_offset[i]); - err |= __put_user(init32.texture_size[i], &init->texture_size[i]); + + for (i = 0; i < MGA_NR_TEX_HEAPS; i++) { + err |= + __put_user(init32.texture_offset[i], + &init->texture_offset[i]); + err |= + __put_user(init32.texture_size[i], &init->texture_size[i]); } if (err) return -EFAULT; - + return drm_ioctl(file->f_dentry->d_inode, file, - DRM_IOCTL_MGA_INIT, (unsigned long) init); + DRM_IOCTL_MGA_INIT, (unsigned long)init); } - typedef struct drm_mga_getparam32 { int param; u32 value; } drm_mga_getparam32_t; - static int compat_mga_getparam(struct file *file, unsigned int cmd, unsigned long arg) { drm_mga_getparam32_t getparam32; drm_mga_getparam_t __user *getparam; - + if (copy_from_user(&getparam32, (void __user *)arg, sizeof(getparam32))) return -EFAULT; getparam = compat_alloc_user_space(sizeof(*getparam)); if (!access_ok(VERIFY_WRITE, getparam, sizeof(*getparam)) || __put_user(getparam32.param, &getparam->param) - || __put_user((void __user *)(unsigned long)getparam32.value, &getparam->value)) + || __put_user((void __user *)(unsigned long)getparam32.value, + &getparam->value)) return -EFAULT; - return drm_ioctl(file->f_dentry->d_inode, file, + return drm_ioctl(file->f_dentry->d_inode, file, DRM_IOCTL_MGA_GETPARAM, (unsigned long)getparam); } @@ -182,14 +183,12 @@ static int compat_mga_dma_bootstrap(struct file *file, unsigned int cmd, &dma_bootstrap->secondary_bin_count) || __get_user(dma_bootstrap32.secondary_bin_size, &dma_bootstrap->secondary_bin_size) - || __get_user(dma_bootstrap32.agp_mode, - &dma_bootstrap->agp_mode) - || __get_user(dma_bootstrap32.agp_size, - &dma_bootstrap->agp_size)) + || __get_user(dma_bootstrap32.agp_mode, &dma_bootstrap->agp_mode) + || __get_user(dma_bootstrap32.agp_size, &dma_bootstrap->agp_size)) return -EFAULT; if (copy_to_user((void __user *)arg, &dma_bootstrap32, - sizeof(dma_bootstrap32))) + sizeof(dma_bootstrap32))) return -EFAULT; return 0; @@ -210,8 +209,7 @@ drm_ioctl_compat_t *mga_compat_ioctls[] = { * \param arg user argument. * \return zero on success or negative number on failure. */ -long mga_compat_ioctl(struct file *filp, unsigned int cmd, - unsigned long arg) +long mga_compat_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) { unsigned int nr = DRM_IOCTL_NR(cmd); drm_ioctl_compat_t *fn = NULL; @@ -219,13 +217,13 @@ long mga_compat_ioctl(struct file *filp, unsigned int cmd, if (nr < DRM_COMMAND_BASE) return drm_compat_ioctl(filp, cmd, arg); - + if (nr < DRM_COMMAND_BASE + DRM_ARRAY_SIZE(mga_compat_ioctls)) fn = mga_compat_ioctls[nr - DRM_COMMAND_BASE]; lock_kernel(); /* XXX for now */ if (fn != NULL) - ret = (*fn)(filp, cmd, arg); + ret = (*fn) (filp, cmd, arg); else ret = drm_ioctl(filp->f_dentry->d_inode, filp, cmd, arg); unlock_kernel(); |