diff options
| author |   Tejun Heo <tj@kernel.org> | 2013-02-27 17:04:08 -0800 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@linux-foundation.org> | 2013-02-27 19:10:15 -0800 |
| commit | 2e928815c1886fe628ed54623aa98d0889cf5509 (patch) | |
| tree | 50327f66bfd641e3c809db6c69af59956c8554df /drivers/gpu/drm/drm_context.c | |
| parent | gpio: convert to idr_alloc() (diff) | |
| download | linux-dev-2e928815c1886fe628ed54623aa98d0889cf5509.tar.xz linux-dev-2e928815c1886fe628ed54623aa98d0889cf5509.zip | |
drm: convert to idr_alloc()
Convert to the much saner new idr interface.
* drm_ctxbitmap_next() error handling in drm_addctx() seems broken.
drm_ctxbitmap_next() return -errno on failure not -1.
[artem.savkov@gmail.com: missing idr_preload_end in drm_gem_flink_ioctl]
[jslaby@suse.cz: fix drm_gem_flink_ioctl() return value]
Signed-off-by: Tejun Heo <tj@kernel.org>
Acked-by: David Airlie <airlied@linux.ie>
Signed-off-by: Artem Savkov <artem.savkov@gmail.com>
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/gpu/drm/drm_context.c')
| -rw-r--r-- | drivers/gpu/drm/drm_context.c | 17 |
1 files changed, 3 insertions, 14 deletions
diff --git a/drivers/gpu/drm/drm_context.c b/drivers/gpu/drm/drm_context.c index 75f62c5e2a6b..725968d38976 100644 --- a/drivers/gpu/drm/drm_context.c +++ b/drivers/gpu/drm/drm_context.c @@ -74,24 +74,13 @@ void drm_ctxbitmap_free(struct drm_device * dev, int ctx_handle) */ static int drm_ctxbitmap_next(struct drm_device * dev) { - int new_id; int ret; -again: - if (idr_pre_get(&dev->ctx_idr, GFP_KERNEL) == 0) { - DRM_ERROR("Out of memory expanding drawable idr\n"); - return -ENOMEM; - } mutex_lock(&dev->struct_mutex); - ret = idr_get_new_above(&dev->ctx_idr, NULL, - DRM_RESERVED_CONTEXTS, &new_id); + ret = idr_alloc(&dev->ctx_idr, NULL, DRM_RESERVED_CONTEXTS, 0, + GFP_KERNEL); mutex_unlock(&dev->struct_mutex); - if (ret == -EAGAIN) - goto again; - else if (ret) - return ret; - - return new_id; + return ret; } /** |