From: Sasha Levin <sashal@kernel.org>
To: linux-kernel@vger.kernel.org, stable@vger.kernel.org
Cc: gehao <gehao@kylinos.cn>,
Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>,
Alex Deucher <alexander.deucher@amd.com>,
Sasha Levin <sashal@kernel.org>,
harry.wentland@amd.com, sunpeng.li@amd.com,
christian.koenig@amd.com, Xinhui.Pan@amd.com, airlied@gmail.com,
daniel@ffwll.ch, aurabindo.pillai@amd.com, HaoPing.Liu@amd.com,
alex.hung@amd.com, amd-gfx@lists.freedesktop.org,
dri-devel@lists.freedesktop.org
Subject: [PATCH AUTOSEL 5.10 07/39] drm/amd/display: prevent memory leak
Date: Sun, 18 Dec 2022 11:15:27 -0500 [thread overview]
Message-ID: <20221218161559.932604-7-sashal@kernel.org> (raw)
In-Reply-To: <20221218161559.932604-1-sashal@kernel.org>
From: gehao <gehao@kylinos.cn>
[ Upstream commit d232afb1f3417ae8194ccf19ad3a8360e70e104e ]
In dce6(0,1,4)_create_resource_pool and dce80_create_resource_pool
the allocated memory should be released if construct pool fails.
Reviewed-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: gehao <gehao@kylinos.cn>
Signed-off-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/gpu/drm/amd/display/dc/dce60/dce60_resource.c | 3 +++
drivers/gpu/drm/amd/display/dc/dce80/dce80_resource.c | 2 ++
2 files changed, 5 insertions(+)
diff --git a/drivers/gpu/drm/amd/display/dc/dce60/dce60_resource.c b/drivers/gpu/drm/amd/display/dc/dce60/dce60_resource.c
index 5a5a9cb77acb..bcdd8a958fc0 100644
--- a/drivers/gpu/drm/amd/display/dc/dce60/dce60_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dce60/dce60_resource.c
@@ -1132,6 +1132,7 @@ struct resource_pool *dce60_create_resource_pool(
if (dce60_construct(num_virtual_links, dc, pool))
return &pool->base;
+ kfree(pool);
BREAK_TO_DEBUGGER();
return NULL;
}
@@ -1329,6 +1330,7 @@ struct resource_pool *dce61_create_resource_pool(
if (dce61_construct(num_virtual_links, dc, pool))
return &pool->base;
+ kfree(pool);
BREAK_TO_DEBUGGER();
return NULL;
}
@@ -1522,6 +1524,7 @@ struct resource_pool *dce64_create_resource_pool(
if (dce64_construct(num_virtual_links, dc, pool))
return &pool->base;
+ kfree(pool);
BREAK_TO_DEBUGGER();
return NULL;
}
diff --git a/drivers/gpu/drm/amd/display/dc/dce80/dce80_resource.c b/drivers/gpu/drm/amd/display/dc/dce80/dce80_resource.c
index a19be9de2df7..2eefa07762ae 100644
--- a/drivers/gpu/drm/amd/display/dc/dce80/dce80_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dce80/dce80_resource.c
@@ -1141,6 +1141,7 @@ struct resource_pool *dce80_create_resource_pool(
if (dce80_construct(num_virtual_links, dc, pool))
return &pool->base;
+ kfree(pool);
BREAK_TO_DEBUGGER();
return NULL;
}
@@ -1338,6 +1339,7 @@ struct resource_pool *dce81_create_resource_pool(
if (dce81_construct(num_virtual_links, dc, pool))
return &pool->base;
+ kfree(pool);
BREAK_TO_DEBUGGER();
return NULL;
}
--
2.35.1
next prev parent reply other threads:[~2022-12-18 16:47 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-12-18 16:15 [PATCH AUTOSEL 5.10 01/39] drm/etnaviv: add missing quirks for GC300 Sasha Levin
2022-12-18 16:15 ` [PATCH AUTOSEL 5.10 02/39] brcmfmac: return error when getting invalid max_flowrings from dongle Sasha Levin
2022-12-18 16:15 ` [PATCH AUTOSEL 5.10 03/39] wifi: ath9k: verify the expected usb_endpoints are present Sasha Levin
2022-12-18 16:15 ` [PATCH AUTOSEL 5.10 04/39] wifi: ar5523: Fix use-after-free on ar5523_cmd() timed out Sasha Levin
2022-12-18 16:15 ` [PATCH AUTOSEL 5.10 05/39] ASoC: codecs: rt298: Add quirk for KBL-R RVP platform Sasha Levin
2022-12-18 16:15 ` [PATCH AUTOSEL 5.10 06/39] ipmi: fix memleak when unload ipmi driver Sasha Levin
2022-12-18 16:15 ` Sasha Levin [this message]
2022-12-18 16:15 ` [PATCH AUTOSEL 5.10 08/39] qed (gcc13): use u16 for fid to be big enough Sasha Levin
2022-12-18 16:15 ` [PATCH AUTOSEL 5.10 09/39] bpf: make sure skb->len != 0 when redirecting to a tunneling device Sasha Levin
2022-12-18 16:15 ` [PATCH AUTOSEL 5.10 10/39] net: ethernet: ti: Fix return type of netcp_ndo_start_xmit() Sasha Levin
2022-12-18 16:15 ` [PATCH AUTOSEL 5.10 11/39] hamradio: baycom_epp: Fix return type of baycom_send_packet() Sasha Levin
2022-12-18 16:15 ` [PATCH AUTOSEL 5.10 12/39] wifi: brcmfmac: Fix potential shift-out-of-bounds in brcmf_fw_alloc_request() Sasha Levin
2022-12-18 16:15 ` [PATCH AUTOSEL 5.10 13/39] igb: Do not free q_vector unless new one was allocated Sasha Levin
2022-12-18 16:15 ` [PATCH AUTOSEL 5.10 14/39] drm/amdgpu: Fix type of second parameter in trans_msg() callback Sasha Levin
2022-12-18 16:15 ` [PATCH AUTOSEL 5.10 15/39] drm/amdgpu: Fix type of second parameter in odn_edit_dpm_table() callback Sasha Levin
2022-12-18 16:15 ` [PATCH AUTOSEL 5.10 16/39] s390/ctcm: Fix return type of ctc{mp,}m_tx() Sasha Levin
2022-12-18 16:15 ` [PATCH AUTOSEL 5.10 17/39] s390/netiucv: Fix return type of netiucv_tx() Sasha Levin
2022-12-18 16:15 ` [PATCH AUTOSEL 5.10 18/39] s390/lcs: Fix return type of lcs_start_xmit() Sasha Levin
2022-12-18 16:15 ` [PATCH AUTOSEL 5.10 19/39] drm/msm: Use drm_mode_copy() Sasha Levin
2022-12-18 16:15 ` [PATCH AUTOSEL 5.10 20/39] drm/rockchip: " Sasha Levin
2022-12-18 16:15 ` [PATCH AUTOSEL 5.10 21/39] drm/sti: " Sasha Levin
2022-12-18 16:15 ` [PATCH AUTOSEL 5.10 22/39] drivers/md/md-bitmap: check the return value of md_bitmap_get_counter() Sasha Levin
2022-12-18 16:15 ` [PATCH AUTOSEL 5.10 23/39] md/raid1: stop mdx_raid1 thread when raid1 array run failed Sasha Levin
2022-12-18 16:15 ` [PATCH AUTOSEL 5.10 24/39] drm/amd/display: fix array index out of bound error in bios parser Sasha Levin
2022-12-18 16:15 ` [PATCH AUTOSEL 5.10 25/39] net: add atomic_long_t to net_device_stats fields Sasha Levin
2022-12-18 16:15 ` [PATCH AUTOSEL 5.10 26/39] mrp: introduce active flags to prevent UAF when applicant uninit Sasha Levin
2022-12-18 16:15 ` [PATCH AUTOSEL 5.10 27/39] ppp: associate skb with a device at tx Sasha Levin
2022-12-18 16:15 ` [PATCH AUTOSEL 5.10 28/39] bpf: Prevent decl_tag from being referenced in func_proto arg Sasha Levin
2022-12-18 16:15 ` [PATCH AUTOSEL 5.10 29/39] ethtool: avoiding integer overflow in ethtool_phys_id() Sasha Levin
2022-12-18 16:15 ` [PATCH AUTOSEL 5.10 30/39] media: dvb-frontends: fix leak of memory fw Sasha Levin
2022-12-18 16:15 ` [PATCH AUTOSEL 5.10 31/39] media: dvbdev: adopts refcnt to avoid UAF Sasha Levin
2022-12-18 16:15 ` [PATCH AUTOSEL 5.10 32/39] media: dvb-usb: fix memory leak in dvb_usb_adapter_init() Sasha Levin
2022-12-18 16:15 ` [PATCH AUTOSEL 5.10 33/39] blk-mq: fix possible memleak when register 'hctx' failed Sasha Levin
2022-12-18 16:15 ` [PATCH AUTOSEL 5.10 34/39] libbpf: Avoid enum forward-declarations in public API in C++ mode Sasha Levin
2022-12-18 16:15 ` [PATCH AUTOSEL 5.10 35/39] regulator: core: fix use_count leakage when handling boot-on Sasha Levin
2022-12-18 16:15 ` [PATCH AUTOSEL 5.10 36/39] mmc: f-sdh30: Add quirks for broken timeout clock capability Sasha Levin
2022-12-18 16:15 ` [PATCH AUTOSEL 5.10 37/39] mmc: renesas_sdhi: better reset from HS400 mode Sasha Levin
2022-12-18 16:15 ` [PATCH AUTOSEL 5.10 38/39] media: si470x: Fix use-after-free in si470x_int_in_callback() Sasha Levin
2022-12-18 16:15 ` [PATCH AUTOSEL 5.10 39/39] clk: st: Fix memory leak in st_of_quadfs_setup() Sasha Levin
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