From: Sasha Levin <sashal@kernel.org>
To: linux-kernel@vger.kernel.org, stable@vger.kernel.org
Cc: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>,
Sasha Levin <sashal@kernel.org>,
linux-media@vger.kernel.org
Subject: [PATCH AUTOSEL 4.14 20/25] media: siano: fix device register error path
Date: Sun, 4 Jul 2021 19:11:18 -0400 [thread overview]
Message-ID: <20210704231123.1491517-20-sashal@kernel.org> (raw)
In-Reply-To: <20210704231123.1491517-1-sashal@kernel.org>
From: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
[ Upstream commit 5368b1ee2939961a16e74972b69088433fc52195 ]
As reported by smatch:
drivers/media/common/siano/smsdvb-main.c:1231 smsdvb_hotplug() warn: '&client->entry' not removed from list
If an error occur at the end of the registration logic, it won't
drop the device from the list.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/media/common/siano/smsdvb-main.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/media/common/siano/smsdvb-main.c b/drivers/media/common/siano/smsdvb-main.c
index 15e895c9f2e0..cbe5f08ae9ad 100644
--- a/drivers/media/common/siano/smsdvb-main.c
+++ b/drivers/media/common/siano/smsdvb-main.c
@@ -1187,6 +1187,10 @@ static int smsdvb_hotplug(struct smscore_device_t *coredev,
return 0;
media_graph_error:
+ mutex_lock(&g_smsdvb_clientslock);
+ list_del(&client->entry);
+ mutex_unlock(&g_smsdvb_clientslock);
+
smsdvb_debugfs_release(client);
client_error:
--
2.30.2
prev parent reply other threads:[~2021-07-04 23:14 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20210704231123.1491517-1-sashal@kernel.org>
2021-07-04 23:11 ` [PATCH AUTOSEL 4.14 02/25] media: sh_vou: fix pm_runtime_get_sync() usage count Sasha Levin
2021-07-04 23:11 ` [PATCH AUTOSEL 4.14 07/25] media: cpia2: fix memory leak in cpia2_usb_probe Sasha Levin
2021-07-04 23:11 ` [PATCH AUTOSEL 4.14 08/25] media: cobalt: fix race condition in setting HPD Sasha Levin
2021-07-04 23:11 ` [PATCH AUTOSEL 4.14 09/25] media: pvrusb2: fix warning in pvr2_i2c_core_done Sasha Levin
2021-07-04 23:11 ` [PATCH AUTOSEL 4.14 12/25] media: em28xx: Fix possible memory leak of em28xx struct Sasha Levin
2021-07-04 23:11 ` [PATCH AUTOSEL 4.14 13/25] media: v4l2-core: Avoid the dangling pointer in v4l2_fh_release Sasha Levin
2021-07-04 23:11 ` [PATCH AUTOSEL 4.14 14/25] media: bt8xx: Fix a missing check bug in bt878_probe Sasha Levin
2021-07-04 23:11 ` [PATCH AUTOSEL 4.14 15/25] media: st-hva: Fix potential NULL pointer dereferences Sasha Levin
2021-07-04 23:11 ` [PATCH AUTOSEL 4.14 16/25] media: dvd_usb: memory leak in cinergyt2_fe_attach Sasha Levin
2021-07-04 23:11 ` [PATCH AUTOSEL 4.14 19/25] media: dvb_net: avoid speculation from net slot Sasha Levin
2021-07-04 23:11 ` Sasha Levin [this message]
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