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authorTejun Heo <tj@kernel.org>2013-02-28 05:04:08 +0400
committerLinus Torvalds <torvalds@linux-foundation.org>2013-02-28 07:10:15 +0400
commit2e928815c1886fe628ed54623aa98d0889cf5509 (patch)
tree50327f66bfd641e3c809db6c69af59956c8554df /drivers/gpu/drm/drm_context.c
parent62f516b8d6b0610c257b4f92264e00a8dee77a0b (diff)
downloadlinux-2e928815c1886fe628ed54623aa98d0889cf5509.tar.xz
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.c17
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;
}
/**