diff options
| author | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-08-25 08:01:06 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-08-25 08:01:06 -0700 |
| commit | 6869ce1c145aaea9f9f8eb8623a261d316b0cd19 (patch) | |
| tree | a12a8900465ccdb87854c2706ad907021ba9c408 /drivers/char | |
| parent | 36373b4450105ec8908c6c9396c8715eaafcfd6a (diff) | |
| parent | 0769d39c993145754852b517ddd9c11586f0a014 (diff) | |
| download | linux-6869ce1c145aaea9f9f8eb8623a261d316b0cd19.tar.bz2 | |
Merge branch 'drm-patches' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6
* 'drm-patches' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6:
drm: ioremap return value checks
drm/via: Fix dmablit when blit queue is full
drm_rmmap_ioctl(): remove dead code
Diffstat (limited to 'drivers/char')
| -rw-r--r-- | drivers/char/drm/drm_bufs.c | 13 | ||||
| -rw-r--r-- | drivers/char/drm/via_dmablit.c | 2 |
2 files changed, 8 insertions, 7 deletions
diff --git a/drivers/char/drm/drm_bufs.c b/drivers/char/drm/drm_bufs.c index 923174c54a1c..c115b39b8517 100644 --- a/drivers/char/drm/drm_bufs.c +++ b/drivers/char/drm/drm_bufs.c @@ -177,8 +177,14 @@ static int drm_addmap_core(struct drm_device * dev, unsigned int offset, MTRR_TYPE_WRCOMB, 1); } } - if (map->type == _DRM_REGISTERS) + if (map->type == _DRM_REGISTERS) { map->handle = ioremap(map->offset, map->size); + if (!map->handle) { + drm_free(map, sizeof(*map), DRM_MEM_MAPS); + return -ENOMEM; + } + } + break; case _DRM_SHM: list = drm_find_matching_map(dev, map); @@ -479,11 +485,6 @@ int drm_rmmap_ioctl(struct inode *inode, struct file *filp, return -EINVAL; } - if (!map) { - mutex_unlock(&dev->struct_mutex); - return -EINVAL; - } - /* Register and framebuffer maps are permanent */ if ((map->type == _DRM_REGISTERS) || (map->type == _DRM_FRAME_BUFFER)) { mutex_unlock(&dev->struct_mutex); diff --git a/drivers/char/drm/via_dmablit.c b/drivers/char/drm/via_dmablit.c index 832de1d9ba7e..3dd1ed3d1bf5 100644 --- a/drivers/char/drm/via_dmablit.c +++ b/drivers/char/drm/via_dmablit.c @@ -560,7 +560,7 @@ via_init_dmablit(struct drm_device *dev) blitq->head = 0; blitq->cur = 0; blitq->serviced = 0; - blitq->num_free = VIA_NUM_BLIT_SLOTS; + blitq->num_free = VIA_NUM_BLIT_SLOTS - 1; blitq->num_outstanding = 0; blitq->is_active = 0; blitq->aborting = 0; |