From: Sasha Levin <sashal@kernel.org>
To: linux-kernel@vger.kernel.org, stable@vger.kernel.org
Cc: Sasha Levin <sashal@kernel.org>,
Thomas Hellstrom <thellstrom@vmware.com>,
dri-devel@lists.freedesktop.org,
Navid Emamdoost <navid.emamdoost@gmail.com>
Subject: [PATCH AUTOSEL 4.9 100/141] drm/vmwgfx: prevent memory leak in vmw_cmdbuf_res_add
Date: Fri, 14 Feb 2020 11:20:40 -0500 [thread overview]
Message-ID: <20200214162122.19794-100-sashal@kernel.org> (raw)
In-Reply-To: <20200214162122.19794-1-sashal@kernel.org>
From: Navid Emamdoost <navid.emamdoost@gmail.com>
[ Upstream commit 40efb09a7f53125719e49864da008495e39aaa1e ]
In vmw_cmdbuf_res_add if drm_ht_insert_item fails the allocated memory
for cres should be released.
Fixes: 18e4a4669c50 ("drm/vmwgfx: Fix compat shader namespace")
Signed-off-by: Navid Emamdoost <navid.emamdoost@gmail.com>
Reviewed-by: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/gpu/drm/vmwgfx/vmwgfx_cmdbuf_res.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_cmdbuf_res.c b/drivers/gpu/drm/vmwgfx/vmwgfx_cmdbuf_res.c
index 1f013d45c9e9a..0c7c3005594cc 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_cmdbuf_res.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_cmdbuf_res.c
@@ -210,8 +210,10 @@ int vmw_cmdbuf_res_add(struct vmw_cmdbuf_res_manager *man,
cres->hash.key = user_key | (res_type << 24);
ret = drm_ht_insert_item(&man->resources, &cres->hash);
- if (unlikely(ret != 0))
+ if (unlikely(ret != 0)) {
+ kfree(cres);
goto out_invalid_key;
+ }
cres->state = VMW_CMDBUF_RES_ADD;
cres->res = vmw_resource_reference(res);
--
2.20.1
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next prev parent reply other threads:[~2020-02-14 16:23 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-02-14 16:19 [PATCH AUTOSEL 4.9 001/141] drm/gma500: Fixup fbdev stolen size usage evaluation Sasha Levin
2020-02-14 16:19 ` [PATCH AUTOSEL 4.9 009/141] pxa168fb: Fix the function used to release some memory in an error handling path Sasha Levin
2020-02-14 16:19 ` [PATCH AUTOSEL 4.9 032/141] drm/amdgpu: remove 4 set but not used variable in amdgpu_atombios_get_connector_info_from_object_table Sasha Levin
2020-02-14 16:19 ` [PATCH AUTOSEL 4.9 033/141] drm/amdgpu: remove set but not used variable 'dig_connector' Sasha Levin
2020-02-14 16:19 ` [PATCH AUTOSEL 4.9 034/141] drm/amdgpu: remove set but not used variable 'dig' Sasha Levin
2020-02-14 16:19 ` [PATCH AUTOSEL 4.9 035/141] drm/amdgpu: remove always false comparison in 'amdgpu_atombios_i2c_process_i2c_ch' Sasha Levin
2020-02-14 16:19 ` [PATCH AUTOSEL 4.9 036/141] drm/amdgpu: remove set but not used variable 'mc_shared_chmap' Sasha Levin
2020-02-14 16:19 ` [PATCH AUTOSEL 4.9 037/141] drm/amdgpu: remove set but not used variable 'amdgpu_connector' Sasha Levin
2020-02-14 16:19 ` [PATCH AUTOSEL 4.9 038/141] drm/gma500: remove set but not used variable 'htotal' Sasha Levin
2020-02-14 16:19 ` [PATCH AUTOSEL 4.9 039/141] drm/gma500: remove set but not used variable 'error' Sasha Levin
2020-02-14 16:19 ` [PATCH AUTOSEL 4.9 040/141] drm/gma500: remove set but not used variable 'is_hdmi', 'is_crt' Sasha Levin
2020-02-14 16:19 ` [PATCH AUTOSEL 4.9 041/141] drm/gma500: remove set but not used variable 'channel_eq' Sasha Levin
2020-02-14 16:19 ` [PATCH AUTOSEL 4.9 042/141] drm/radeon: remove set but not used variable 'size', 'relocs_chunk' Sasha Levin
2020-02-14 16:19 ` [PATCH AUTOSEL 4.9 043/141] drm/radeon: remove set but not used variable 'backbias_response_time' Sasha Levin
2020-02-14 16:19 ` [PATCH AUTOSEL 4.9 044/141] drm/radeon: remove set but not used variable 'dig_connector' Sasha Levin
2020-02-14 16:19 ` [PATCH AUTOSEL 4.9 045/141] drm/radeon: remove set but not used variable 'radeon_connector' Sasha Levin
2020-02-14 16:19 ` [PATCH AUTOSEL 4.9 046/141] drm/radeon: remove set but not used variable 'blocks' Sasha Levin
2020-02-14 16:19 ` [PATCH AUTOSEL 4.9 047/141] drm/radeon: remove set but not used variable 'tv_pll_cntl1' Sasha Levin
2020-02-14 16:20 ` [PATCH AUTOSEL 4.9 069/141] drm/mediatek: handle events when enabling/disabling crtc Sasha Levin
2020-02-14 16:20 ` [PATCH AUTOSEL 4.9 080/141] drm/gma500: remove set but not used variables 'hist_reg' Sasha Levin
2020-02-14 16:20 ` [PATCH AUTOSEL 4.9 098/141] drm/nouveau/gr/gk20a, gm200-: add terminators to method lists read from fw Sasha Levin
2020-02-14 16:20 ` [PATCH AUTOSEL 4.9 099/141] drm/nouveau: Fix copy-paste error in nouveau_fence_wait_uevent_handler Sasha Levin
2020-02-14 16:20 ` Sasha Levin [this message]
2020-02-14 16:21 ` [PATCH AUTOSEL 4.9 127/141] drm/nouveau/disp/nv50-: prevent oops when no channel method map provided Sasha Levin
2020-02-14 16:21 ` [PATCH AUTOSEL 4.9 131/141] radeon: insert 10ms sleep in dce5_crtc_load_lut Sasha Levin
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