sem2mutex: drivers/char/drm/

[safe/jmp/linux-2.6] / drivers / char / drm / drm_bufs.c

diff --git a/drivers/char/drm/drm_bufs.c b/drivers/char/drm/drm_bufs.c
index 1db12dc..e2637b4 100644 (file)
--- a/drivers/char/drm/drm_bufs.c
+++ b/drivers/char/drm/drm_bufs.c
@@ -255,14 +255,14 @@ static int drm_addmap_core(drm_device_t * dev, unsigned int offset,
        memset(list, 0, sizeof(*list));
        list->map = map;
 
-       down(&dev->struct_sem);
+       mutex_lock(&dev->struct_mutex);
        list_add(&list->head, &dev->maplist->head);
        /* Assign a 32-bit handle */
-       /* We do it here so that dev->struct_sem protects the increment */
+       /* We do it here so that dev->struct_mutex protects the increment */
        list->user_token = HandleID(map->type == _DRM_SHM
                                    ? (unsigned long)map->handle
                                    : map->offset, dev);
-       up(&dev->struct_sem);
+       mutex_unlock(&dev->struct_mutex);
 
        *maplist = list;
        return 0;
@@ -392,9 +392,9 @@ int drm_rmmap(drm_device_t *dev, drm_local_map_t *map)
 {
        int ret;
 
-       down(&dev->struct_sem);
+       mutex_lock(&dev->struct_mutex);
        ret = drm_rmmap_locked(dev, map);
-       up(&dev->struct_sem);
+       mutex_unlock(&dev->struct_mutex);
 
        return ret;
 }
@@ -423,7 +423,7 @@ int drm_rmmap_ioctl(struct inode *inode, struct file *filp,
                return -EFAULT;
        }
 
-       down(&dev->struct_sem);
+       mutex_lock(&dev->struct_mutex);
        list_for_each(list, &dev->maplist->head) {
                drm_map_list_t *r_list = list_entry(list, drm_map_list_t, head);
 
@@ -439,7 +439,7 @@ int drm_rmmap_ioctl(struct inode *inode, struct file *filp,
         * find anything.
         */
        if (list == (&dev->maplist->head)) {
-               up(&dev->struct_sem);
+               mutex_unlock(&dev->struct_mutex);
                return -EINVAL;
        }
 
@@ -448,13 +448,13 @@ int drm_rmmap_ioctl(struct inode *inode, struct file *filp,
 
        /* Register and framebuffer maps are permanent */
        if ((map->type == _DRM_REGISTERS) || (map->type == _DRM_FRAME_BUFFER)) {
-               up(&dev->struct_sem);
+               mutex_unlock(&dev->struct_mutex);
                return 0;
        }
 
        ret = drm_rmmap_locked(dev, map);
 
-       up(&dev->struct_sem);
+       mutex_unlock(&dev->struct_mutex);
 
        return ret;
 }
@@ -566,16 +566,16 @@ int drm_addbufs_agp(drm_device_t * dev, drm_buf_desc_t * request)
        atomic_inc(&dev->buf_alloc);
        spin_unlock(&dev->count_lock);
 
-       down(&dev->struct_sem);
+       mutex_lock(&dev->struct_mutex);
        entry = &dma->bufs[order];
        if (entry->buf_count) {
-               up(&dev->struct_sem);
+               mutex_unlock(&dev->struct_mutex);
                atomic_dec(&dev->buf_alloc);
                return -ENOMEM; /* May only call once for each order */
        }
 
        if (count < 0 || count > 4096) {
-               up(&dev->struct_sem);
+               mutex_unlock(&dev->struct_mutex);
                atomic_dec(&dev->buf_alloc);
                return -EINVAL;
        }
@@ -583,7 +583,7 @@ int drm_addbufs_agp(drm_device_t * dev, drm_buf_desc_t * request)
        entry->buflist = drm_alloc(count * sizeof(*entry->buflist),
                                   DRM_MEM_BUFS);
        if (!entry->buflist) {
-               up(&dev->struct_sem);
+               mutex_unlock(&dev->struct_mutex);
                atomic_dec(&dev->buf_alloc);
                return -ENOMEM;
        }
@@ -616,7 +616,7 @@ int drm_addbufs_agp(drm_device_t * dev, drm_buf_desc_t * request)
                        /* Set count correctly so we free the proper amount. */
                        entry->buf_count = count;
                        drm_cleanup_buf_error(dev, entry);
-                       up(&dev->struct_sem);
+                       mutex_unlock(&dev->struct_mutex);
                        atomic_dec(&dev->buf_alloc);
                        return -ENOMEM;
                }
@@ -638,7 +638,7 @@ int drm_addbufs_agp(drm_device_t * dev, drm_buf_desc_t * request)
        if (!temp_buflist) {
                /* Free the entry because it isn't valid */
                drm_cleanup_buf_error(dev, entry);
-               up(&dev->struct_sem);
+               mutex_unlock(&dev->struct_mutex);
                atomic_dec(&dev->buf_alloc);
                return -ENOMEM;
        }
@@ -656,7 +656,7 @@ int drm_addbufs_agp(drm_device_t * dev, drm_buf_desc_t * request)
        DRM_DEBUG("dma->buf_count : %d\n", dma->buf_count);
        DRM_DEBUG("entry->buf_count : %d\n", entry->buf_count);
 
-       up(&dev->struct_sem);
+       mutex_unlock(&dev->struct_mutex);
 
        request->count = entry->buf_count;
        request->size = size;
@@ -722,16 +722,16 @@ int drm_addbufs_pci(drm_device_t * dev, drm_buf_desc_t * request)
        atomic_inc(&dev->buf_alloc);
        spin_unlock(&dev->count_lock);
 
-       down(&dev->struct_sem);
+       mutex_lock(&dev->struct_mutex);
        entry = &dma->bufs[order];
        if (entry->buf_count) {
-               up(&dev->struct_sem);
+               mutex_unlock(&dev->struct_mutex);
                atomic_dec(&dev->buf_alloc);
                return -ENOMEM; /* May only call once for each order */
        }
 
        if (count < 0 || count > 4096) {
-               up(&dev->struct_sem);
+               mutex_unlock(&dev->struct_mutex);
                atomic_dec(&dev->buf_alloc);
                return -EINVAL;
        }
@@ -739,7 +739,7 @@ int drm_addbufs_pci(drm_device_t * dev, drm_buf_desc_t * request)
        entry->buflist = drm_alloc(count * sizeof(*entry->buflist),
                                   DRM_MEM_BUFS);
        if (!entry->buflist) {
-               up(&dev->struct_sem);
+               mutex_unlock(&dev->struct_mutex);
                atomic_dec(&dev->buf_alloc);
                return -ENOMEM;
        }
@@ -750,7 +750,7 @@ int drm_addbufs_pci(drm_device_t * dev, drm_buf_desc_t * request)
        if (!entry->seglist) {
                drm_free(entry->buflist,
                         count * sizeof(*entry->buflist), DRM_MEM_BUFS);
-               up(&dev->struct_sem);
+               mutex_unlock(&dev->struct_mutex);
                atomic_dec(&dev->buf_alloc);
                return -ENOMEM;
        }
@@ -766,7 +766,7 @@ int drm_addbufs_pci(drm_device_t * dev, drm_buf_desc_t * request)
                         count * sizeof(*entry->buflist), DRM_MEM_BUFS);
                drm_free(entry->seglist,
                         count * sizeof(*entry->seglist), DRM_MEM_SEGS);
-               up(&dev->struct_sem);
+               mutex_unlock(&dev->struct_mutex);
                atomic_dec(&dev->buf_alloc);
                return -ENOMEM;
        }
@@ -790,7 +790,7 @@ int drm_addbufs_pci(drm_device_t * dev, drm_buf_desc_t * request)
                        drm_free(temp_pagelist,
                                 (dma->page_count + (count << page_order))
                                 * sizeof(*dma->pagelist), DRM_MEM_PAGES);
-                       up(&dev->struct_sem);
+                       mutex_unlock(&dev->struct_mutex);
                        atomic_dec(&dev->buf_alloc);
                        return -ENOMEM;
                }
@@ -831,7 +831,7 @@ int drm_addbufs_pci(drm_device_t * dev, drm_buf_desc_t * request)
                                          (count << page_order))
                                         * sizeof(*dma->pagelist),
                                         DRM_MEM_PAGES);
-                               up(&dev->struct_sem);
+                               mutex_unlock(&dev->struct_mutex);
                                atomic_dec(&dev->buf_alloc);
                                return -ENOMEM;
                        }
@@ -853,7 +853,7 @@ int drm_addbufs_pci(drm_device_t * dev, drm_buf_desc_t * request)
                drm_free(temp_pagelist,
                         (dma->page_count + (count << page_order))
                         * sizeof(*dma->pagelist), DRM_MEM_PAGES);
-               up(&dev->struct_sem);
+               mutex_unlock(&dev->struct_mutex);
                atomic_dec(&dev->buf_alloc);
                return -ENOMEM;
        }
@@ -878,7 +878,7 @@ int drm_addbufs_pci(drm_device_t * dev, drm_buf_desc_t * request)
        dma->page_count += entry->seg_count << page_order;
        dma->byte_count += PAGE_SIZE * (entry->seg_count << page_order);
 
-       up(&dev->struct_sem);
+       mutex_unlock(&dev->struct_mutex);
 
        request->count = entry->buf_count;
        request->size = size;
@@ -948,16 +948,16 @@ static int drm_addbufs_sg(drm_device_t * dev, drm_buf_desc_t * request)
        atomic_inc(&dev->buf_alloc);
        spin_unlock(&dev->count_lock);
 
-       down(&dev->struct_sem);
+       mutex_lock(&dev->struct_mutex);
        entry = &dma->bufs[order];
        if (entry->buf_count) {
-               up(&dev->struct_sem);
+               mutex_unlock(&dev->struct_mutex);
                atomic_dec(&dev->buf_alloc);
                return -ENOMEM; /* May only call once for each order */
        }
 
        if (count < 0 || count > 4096) {
-               up(&dev->struct_sem);
+               mutex_unlock(&dev->struct_mutex);
                atomic_dec(&dev->buf_alloc);
                return -EINVAL;
        }
@@ -965,7 +965,7 @@ static int drm_addbufs_sg(drm_device_t * dev, drm_buf_desc_t * request)
        entry->buflist = drm_alloc(count * sizeof(*entry->buflist),
                                   DRM_MEM_BUFS);
        if (!entry->buflist) {
-               up(&dev->struct_sem);
+               mutex_unlock(&dev->struct_mutex);
                atomic_dec(&dev->buf_alloc);
                return -ENOMEM;
        }
@@ -999,7 +999,7 @@ static int drm_addbufs_sg(drm_device_t * dev, drm_buf_desc_t * request)
                        /* Set count correctly so we free the proper amount. */
                        entry->buf_count = count;
                        drm_cleanup_buf_error(dev, entry);
-                       up(&dev->struct_sem);
+                       mutex_unlock(&dev->struct_mutex);
                        atomic_dec(&dev->buf_alloc);
                        return -ENOMEM;
                }
@@ -1022,7 +1022,7 @@ static int drm_addbufs_sg(drm_device_t * dev, drm_buf_desc_t * request)
        if (!temp_buflist) {
                /* Free the entry because it isn't valid */
                drm_cleanup_buf_error(dev, entry);
-               up(&dev->struct_sem);
+               mutex_unlock(&dev->struct_mutex);
                atomic_dec(&dev->buf_alloc);
                return -ENOMEM;
        }
@@ -1040,7 +1040,7 @@ static int drm_addbufs_sg(drm_device_t * dev, drm_buf_desc_t * request)
        DRM_DEBUG("dma->buf_count : %d\n", dma->buf_count);
        DRM_DEBUG("entry->buf_count : %d\n", entry->buf_count);
 
-       up(&dev->struct_sem);
+       mutex_unlock(&dev->struct_mutex);
 
        request->count = entry->buf_count;
        request->size = size;
@@ -1110,16 +1110,16 @@ int drm_addbufs_fb(drm_device_t * dev, drm_buf_desc_t * request)
        atomic_inc(&dev->buf_alloc);
        spin_unlock(&dev->count_lock);
 
-       down(&dev->struct_sem);
+       mutex_lock(&dev->struct_mutex);
        entry = &dma->bufs[order];
        if (entry->buf_count) {
-               up(&dev->struct_sem);
+               mutex_unlock(&dev->struct_mutex);
                atomic_dec(&dev->buf_alloc);
                return -ENOMEM; /* May only call once for each order */
        }
 
        if (count < 0 || count > 4096) {
-               up(&dev->struct_sem);
+               mutex_unlock(&dev->struct_mutex);
                atomic_dec(&dev->buf_alloc);
                return -EINVAL;
        }
@@ -1127,7 +1127,7 @@ int drm_addbufs_fb(drm_device_t * dev, drm_buf_desc_t * request)
        entry->buflist = drm_alloc(count * sizeof(*entry->buflist),
                                   DRM_MEM_BUFS);
        if (!entry->buflist) {
-               up(&dev->struct_sem);
+               mutex_unlock(&dev->struct_mutex);
                atomic_dec(&dev->buf_alloc);
                return -ENOMEM;
        }
@@ -1160,7 +1160,7 @@ int drm_addbufs_fb(drm_device_t * dev, drm_buf_desc_t * request)
                        /* Set count correctly so we free the proper amount. */
                        entry->buf_count = count;
                        drm_cleanup_buf_error(dev, entry);
-                       up(&dev->struct_sem);
+                       mutex_unlock(&dev->struct_mutex);
                        atomic_dec(&dev->buf_alloc);
                        return -ENOMEM;
                }
@@ -1182,7 +1182,7 @@ int drm_addbufs_fb(drm_device_t * dev, drm_buf_desc_t * request)
        if (!temp_buflist) {
                /* Free the entry because it isn't valid */
                drm_cleanup_buf_error(dev, entry);
-               up(&dev->struct_sem);
+               mutex_unlock(&dev->struct_mutex);
                atomic_dec(&dev->buf_alloc);
                return -ENOMEM;
        }
@@ -1200,7 +1200,7 @@ int drm_addbufs_fb(drm_device_t * dev, drm_buf_desc_t * request)
        DRM_DEBUG("dma->buf_count : %d\n", dma->buf_count);
        DRM_DEBUG("entry->buf_count : %d\n", entry->buf_count);
 
-       up(&dev->struct_sem);
+       mutex_unlock(&dev->struct_mutex);
 
        request->count = entry->buf_count;
        request->size = size;