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drm/exynos: convert to idr_alloc()

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Convert to the much saner new idr interface.

Signed-off-by: Tejun Heo <tj@kernel.org>
Acked-by: David Airlie <airlied@linux.ie>
Cc: Kukjin Kim <kgene.kim@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Tejun Heo 2013-02-27 17:04:09 -08:00 committed by Linus Torvalds
parent 2e928815c1
commit 8550cb2e3a
1 changed files with 5 additions and 11 deletions
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16
drivers/gpu/drm/exynos/exynos_drm_ipp.c
View file

@ -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)