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Subject[PATCH 16/62] drm/exynos: convert to idr_alloc()
Date
Convert to the much saner new idr interface.

Only compile tested.

Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: David Airlie <airlied@linux.ie>
Cc: Kukjin Kim <kgene.kim@samsung.com>
Cc: dri-devel@lists.freedesktop.org
---
This patch depends on an earlier idr changes and I think it would be
best to route these together through -mm. Please holler if there's
any objection. Thanks.

drivers/gpu/drm/exynos/exynos_drm_ipp.c | 16 +++++-----------
1 file changed, 5 insertions(+), 11 deletions(-)

diff --git a/drivers/gpu/drm/exynos/exynos_drm_ipp.c b/drivers/gpu/drm/exynos/exynos_drm_ipp.c
index 49278f0..62c24fb 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_ipp.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_ipp.c
@@ -137,21 +137,15 @@ static int ipp_create_id(struct idr *id_idr, struct mutex *lock, void *obj,

DRM_DEBUG_KMS("%s\n", __func__);

-again:
- /* ensure there is space available to allocate a handle */
- if (idr_pre_get(id_idr, GFP_KERNEL) == 0) {
- DRM_ERROR("failed to get idr.\n");
- return -ENOMEM;
- }
-
/* do the allocation under our mutexlock */
mutex_lock(lock);
- ret = idr_get_new_above(id_idr, obj, 1, (int *)idp);
+ ret = idr_alloc(id_idr, obj, 1, 0, GFP_KERNEL);
mutex_unlock(lock);
- if (ret == -EAGAIN)
- goto again;
+ if (ret < 0)
+ return ret;

- return ret;
+ *idp = ret;
+ return 0;
}

static void *ipp_find_obj(struct idr *id_idr, struct mutex *lock, u32 id)
--
1.8.1


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