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authorDaniel Vetter <daniel.vetter@ffwll.ch>2013-03-19 09:47:30 +0100
committerDaniel Vetter <daniel.vetter@ffwll.ch>2013-03-19 09:47:30 +0100
commit0d4a42f6bd298e826620585e766a154ab460617a (patch)
tree406d8f7778691d858dbe3e48e4bbb10e99c0a58a /drivers/dca/dca-sysfs.c
parentd62b4892f3d9f7dd2002e5309be10719d6805b0f (diff)
parenta937536b868b8369b98967929045f1df54234323 (diff)
Merge tag 'v3.9-rc3' into drm-intel-next-queued
Backmerge so that I can merge Imre Deak's coalesced sg entries fixes, which depend upon the new for_each_sg_page introduce in commit a321e91b6d73ed011ffceed384c40d2785cf723b Author: Imre Deak <imre.deak@intel.com> Date: Wed Feb 27 17:02:56 2013 -0800 lib/scatterlist: add simple page iterator The merge itself is just two trivial conflicts: Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/dca/dca-sysfs.c')
-rw-r--r--drivers/dca/dca-sysfs.c23
1 files changed, 10 insertions, 13 deletions
diff --git a/drivers/dca/dca-sysfs.c b/drivers/dca/dca-sysfs.c
index 591b6597c00a..126cf295b198 100644
--- a/drivers/dca/dca-sysfs.c
+++ b/drivers/dca/dca-sysfs.c
@@ -53,22 +53,19 @@ void dca_sysfs_remove_req(struct dca_provider *dca, int slot)
int dca_sysfs_add_provider(struct dca_provider *dca, struct device *dev)
{
struct device *cd;
- int err = 0;
+ int ret;
-idr_try_again:
- if (!idr_pre_get(&dca_idr, GFP_KERNEL))
- return -ENOMEM;
+ idr_preload(GFP_KERNEL);
spin_lock(&dca_idr_lock);
- err = idr_get_new(&dca_idr, dca, &dca->id);
+
+ ret = idr_alloc(&dca_idr, dca, 0, 0, GFP_NOWAIT);
+ if (ret >= 0)
+ dca->id = ret;
+
spin_unlock(&dca_idr_lock);
- switch (err) {
- case 0:
- break;
- case -EAGAIN:
- goto idr_try_again;
- default:
- return err;
- }
+ idr_preload_end();
+ if (ret < 0)
+ return ret;
cd = device_create(dca_class, dev, MKDEV(0, 0), NULL, "dca%d", dca->id);
if (IS_ERR(cd)) {