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From: Lyude Paul <lyude@redhat.com>
To: dri-devel@lists.freedesktop.org, nouveau@lists.freedesktop.org,
	intel-gfx@lists.freedesktop.org, amd-gfx@lists.freedesktop.org
Cc: Daniel Vetter <daniel@ffwll.ch>, Dave Airlie <airlied@gmail.com>,
	Harry Wentland <harry.wentland@amd.com>,
	Jerry Zuo <Jerry.Zuo@amd.com>, Ben Skeggs <bskeggs@redhat.com>,
	David Airlie <airlied@linux.ie>,
	Ilia Mirkin <imirkin@alum.mit.edu>,
	Sean Paul <seanpaul@chromium.org>,
	linux-kernel@vger.kernel.org
Subject: [WIP PATCH 07/15] drm/nouveau: Remove bogus cleanup in nv50_mstm_add_connector()
Date: Thu, 13 Dec 2018 20:25:36 -0500	[thread overview]
Message-ID: <20181214012604.13746-8-lyude@redhat.com> (raw)
In-Reply-To: <20181214012604.13746-1-lyude@redhat.com>

Trying to destroy the connector using mstc->connector.funcs->destroy()
if connector initialization fails is wrong: there is no possible
codepath in nv50_mstc_new where nv50_mstm_add_connector() would return
<0 and mstc would be non-NULL.

Signed-off-by: Lyude Paul <lyude@redhat.com>
---
 drivers/gpu/drm/nouveau/dispnv50/disp.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/nouveau/dispnv50/disp.c b/drivers/gpu/drm/nouveau/dispnv50/disp.c
index 26af45785939..641252208e67 100644
--- a/drivers/gpu/drm/nouveau/dispnv50/disp.c
+++ b/drivers/gpu/drm/nouveau/dispnv50/disp.c
@@ -1099,11 +1099,8 @@ nv50_mstm_add_connector(struct drm_dp_mst_topology_mgr *mgr,
 	int ret;
 
 	ret = nv50_mstc_new(mstm, port, path, &mstc);
-	if (ret) {
-		if (mstc)
-			mstc->connector.funcs->destroy(&mstc->connector);
+	if (ret)
 		return NULL;
-	}
 
 	return &mstc->connector;
 }
-- 
2.19.2


  parent reply	other threads:[~2018-12-14  1:26 UTC|newest]

Thread overview: 31+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-12-14  1:25 [WIP PATCH 00/15] MST refcounting/atomic helpers cleanup Lyude Paul
2018-12-14  1:25 ` [WIP PATCH 01/15] drm/dp_mst: Remove bogus conditional in drm_dp_update_payload_part1() Lyude Paul
2018-12-14  8:42   ` Daniel Vetter
2018-12-17 20:09     ` Wentland, Harry
2018-12-14  1:25 ` [WIP PATCH 02/15] drm/dp_mst: Refactor drm_dp_update_payload_part1() Lyude Paul
2018-12-14  8:47   ` Daniel Vetter
2018-12-17 20:27     ` Wentland, Harry
2018-12-14  1:25 ` [WIP PATCH 03/15] drm/dp_mst: Introduce new refcounting scheme for mstbs and ports Lyude Paul
2018-12-14  9:29   ` Daniel Vetter
2018-12-18 21:27     ` Lyude Paul
2018-12-19 12:48       ` Daniel Vetter
2018-12-19 18:36         ` Lyude Paul
2018-12-14  1:25 ` [WIP PATCH 04/15] drm/dp_mst: Stop releasing VCPI when removing ports from topology Lyude Paul
2018-12-14  9:40   ` Daniel Vetter
2018-12-14  1:25 ` [WIP PATCH 05/15] drm/dp_mst: Fix payload deallocation on hotplugs using malloc refs Lyude Paul
2018-12-14  9:38   ` Daniel Vetter
2018-12-18 22:02     ` Lyude Paul
2018-12-14  1:25 ` [WIP PATCH 06/15] drm/i915: Keep malloc references to MST ports Lyude Paul
2018-12-14  9:32   ` Daniel Vetter
2018-12-18 21:52     ` Lyude Paul
2018-12-19 13:20       ` Daniel Vetter
2018-12-14  1:25 ` Lyude Paul [this message]
2018-12-14  1:25 ` [WIP PATCH 08/15] drm/nouveau: Remove unnecessary VCPI checks in nv50_msto_cleanup() Lyude Paul
2018-12-14  1:25 ` [WIP PATCH 09/15] drm/nouveau: Fix potential use-after-frees for MSTCs Lyude Paul
2018-12-14  1:25 ` [WIP PATCH 10/15] drm/nouveau: Stop unsetting mstc->port, use malloc refs Lyude Paul
2018-12-14  1:25 ` [WIP PATCH 11/15] drm/nouveau: Grab payload lock in nv50_msto_payload() Lyude Paul
2018-12-14  1:25 ` [WIP PATCH 12/15] drm/dp_mst: Add some atomic state iterator macros Lyude Paul
2018-12-14  1:25 ` [WIP PATCH 13/15] drm/dp_mst: Start tracking per-port VCPI allocations Lyude Paul
2018-12-14 16:37   ` Daniel Vetter
2018-12-14  1:25 ` [WIP PATCH 14/15] drm/dp_mst: Check payload count in drm_dp_mst_atomic_check() Lyude Paul
2018-12-14  1:25 ` [WIP PATCH 15/15] drm/nouveau: Use atomic VCPI helpers for MST Lyude Paul

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