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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


  parent reply	other threads:[~2021-07-04 23:21 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-07-04 23:10 [PATCH AUTOSEL 4.14 01/25] spi: Make of_register_spi_device also set the fwnode Sasha Levin
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 03/25] spi: spi-loopback-test: Fix 'tx_buf' might be 'rx_buf' Sasha Levin
2021-07-04 23:11 ` [PATCH AUTOSEL 4.14 04/25] spi: spi-topcliff-pch: Fix potential double free in pch_spi_process_messages() Sasha Levin
2021-07-04 23:11 ` [PATCH AUTOSEL 4.14 05/25] spi: omap-100k: Fix the length judgment problem Sasha Levin
2021-07-04 23:11 ` [PATCH AUTOSEL 4.14 06/25] crypto: nx - add missing MODULE_DEVICE_TABLE 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 10/25] crypto: qat - check return code of qat_hal_rd_rel_reg() Sasha Levin
2021-07-04 23:11 ` [PATCH AUTOSEL 4.14 11/25] crypto: qat - remove unused macro in FW loader 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 17/25] mmc: via-sdmmc: add a check against NULL pointer dereference Sasha Levin
2021-07-04 23:11 ` [PATCH AUTOSEL 4.14 18/25] crypto: shash - avoid comparing pointers to exported functions under CFI 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]
2021-07-04 23:11 ` [PATCH AUTOSEL 4.14 21/25] btrfs: fix error handling in __btrfs_update_delayed_inode Sasha Levin
2021-07-04 23:11 ` [PATCH AUTOSEL 4.14 22/25] btrfs: abort transaction if we fail to update the delayed inode Sasha Levin
2021-07-04 23:11 ` [PATCH AUTOSEL 4.14 23/25] btrfs: make Private2 lifespan more consistent Sasha Levin
2021-07-04 23:11 ` [PATCH AUTOSEL 4.14 24/25] btrfs: disable build on platforms having page size 256K Sasha Levin
2021-07-04 23:11 ` [PATCH AUTOSEL 4.14 25/25] regulator: da9052: Ensure enough delay time for .set_voltage_time_sel Sasha Levin

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