From 3a6acb7dd69f9d8960009ed1ceb77dc5e532391a Mon Sep 17 00:00:00 2001 From: Danilo Krummrich Date: Fri, 1 Jul 2022 20:52:57 +0200 Subject: [PATCH] drm: use idr_init_base() to initialize master->lessee_idr idr_init_base(), implemented by commit 6ce711f27500 ("idr: Make 1-based IDRs more efficient"), let us set an arbitrary base other than idr_init(), which uses base 0. Since, for this IDR, no ID < 1 is ever requested/allocated, using idr_init_base(&idr, 1) avoids unnecessary tree walks. Signed-off-by: Danilo Krummrich Signed-off-by: Maxime Ripard Link: https://lore.kernel.org/r/20220701185303.284082-5-dakr@redhat.com --- drivers/gpu/drm/drm_auth.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/drm_auth.c b/drivers/gpu/drm/drm_auth.c index 63395bebaa6b..cf92a9ae8034 100644 --- a/drivers/gpu/drm/drm_auth.c +++ b/drivers/gpu/drm/drm_auth.c @@ -147,7 +147,7 @@ struct drm_master *drm_master_create(struct drm_device *dev) INIT_LIST_HEAD(&master->lessees); INIT_LIST_HEAD(&master->lessee_list); idr_init(&master->leases); - idr_init(&master->lessee_idr); + idr_init_base(&master->lessee_idr, 1); return master; }