From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tejun Heo Subject: [PATCH 32/77] drm/exynos: convert to idr_alloc() Date: Wed, 6 Feb 2013 11:40:04 -0800 Message-ID: <1360179649-22465-33-git-send-email-tj@kernel.org> References: <1360179649-22465-1-git-send-email-tj@kernel.org> Return-path: In-Reply-To: <1360179649-22465-1-git-send-email-tj@kernel.org> Sender: linux-kernel-owner@vger.kernel.org To: akpm@linux-foundation.org Cc: linux-kernel@vger.kernel.org, Tejun Heo , David Airlie , Kukjin Kim , dri-devel@lists.freedesktop.org List-Id: dri-devel@lists.freedesktop.org Convert to the much saner new idr interface. Only compile tested. Signed-off-by: Tejun Heo Cc: David Airlie Cc: Kukjin Kim Cc: dri-devel@lists.freedesktop.org --- 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 90398df..1adce07 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