diff options
| author | Dave Airlie <airlied@linux.ie> | 2007-02-18 17:13:39 +1100 |
|---|---|---|
| committer | Dave Airlie <airlied@linux.ie> | 2007-03-11 12:07:17 +1100 |
| commit | 11d9c2fd0ae74647ea2b52f9bdfa7a920b48d1f1 (patch) | |
| tree | 5a6864d8bb4b3900e3dbbb132c298acc99eecc10 /drivers/char/drm/drm_fops.c | |
| parent | 54ba2f76e281286cf4b2860ed8354602eab4c1ef (diff) | |
drm: fix crash with fops lock and fixup sarea/page size locking
Signed-off-by: Dave Airlie <airlied@linux.ie>
Diffstat (limited to 'drivers/char/drm/drm_fops.c')
| -rw-r--r-- | drivers/char/drm/drm_fops.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/char/drm/drm_fops.c b/drivers/char/drm/drm_fops.c index 898f47dafec0..afe5f07f2e17 100644 --- a/drivers/char/drm/drm_fops.c +++ b/drivers/char/drm/drm_fops.c @@ -46,6 +46,7 @@ static int drm_setup(drm_device_t * dev) drm_local_map_t *map; int i; int ret; + u32 sareapage; if (dev->driver->firstopen) { ret = dev->driver->firstopen(dev); @@ -56,7 +57,8 @@ static int drm_setup(drm_device_t * dev) dev->magicfree.next = NULL; /* prebuild the SAREA */ - i = drm_addmap(dev, 0, SAREA_MAX, _DRM_SHM, _DRM_CONTAINS_LOCK, &map); + sareapage = max(SAREA_MAX, PAGE_SIZE); + i = drm_addmap(dev, 0, sareapage, _DRM_SHM, _DRM_CONTAINS_LOCK, &map); if (i != 0) return i; @@ -84,7 +86,7 @@ static int drm_setup(drm_device_t * dev) INIT_LIST_HEAD(&dev->ctxlist->head); dev->vmalist = NULL; - dev->sigdata.lock = dev->lock.hw_lock = NULL; + dev->sigdata.lock = NULL; init_waitqueue_head(&dev->lock.lock_queue); dev->queue_count = 0; dev->queue_reserved = 0; |