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 4.9 16/20] media: siano: fix device register error path
Date: Sun, 4 Jul 2021 19:11:51 -0400 [thread overview]
Message-ID: <20210704231155.1491795-16-sashal@kernel.org> (raw)
In-Reply-To: <20210704231155.1491795-1-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 9d5eb8b6aede..3a5b5f94398a 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
next prev parent reply other threads:[~2021-07-04 23:23 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-07-04 23:11 [PATCH AUTOSEL 4.9 01/20] spi: spi-loopback-test: Fix 'tx_buf' might be 'rx_buf' Sasha Levin
2021-07-04 23:11 ` [PATCH AUTOSEL 4.9 02/20] spi: spi-topcliff-pch: Fix potential double free in pch_spi_process_messages() Sasha Levin
2021-07-04 23:11 ` [PATCH AUTOSEL 4.9 03/20] spi: omap-100k: Fix the length judgment problem Sasha Levin
2021-07-04 23:11 ` [PATCH AUTOSEL 4.9 04/20] crypto: nx - add missing MODULE_DEVICE_TABLE Sasha Levin
2021-07-04 23:11 ` [PATCH AUTOSEL 4.9 05/20] media: cpia2: fix memory leak in cpia2_usb_probe Sasha Levin
2021-07-04 23:11 ` [PATCH AUTOSEL 4.9 06/20] media: cobalt: fix race condition in setting HPD Sasha Levin
2021-07-04 23:11 ` [PATCH AUTOSEL 4.9 07/20] media: pvrusb2: fix warning in pvr2_i2c_core_done Sasha Levin
2021-07-04 23:11 ` [PATCH AUTOSEL 4.9 08/20] crypto: qat - check return code of qat_hal_rd_rel_reg() Sasha Levin
2021-07-04 23:11 ` [PATCH AUTOSEL 4.9 09/20] crypto: qat - remove unused macro in FW loader Sasha Levin
2021-07-04 23:11 ` [PATCH AUTOSEL 4.9 10/20] media: v4l2-core: Avoid the dangling pointer in v4l2_fh_release Sasha Levin
2021-07-04 23:11 ` [PATCH AUTOSEL 4.9 11/20] media: bt8xx: Fix a missing check bug in bt878_probe Sasha Levin
2021-07-04 23:11 ` [PATCH AUTOSEL 4.9 12/20] media: st-hva: Fix potential NULL pointer dereferences Sasha Levin
2021-07-04 23:11 ` [PATCH AUTOSEL 4.9 13/20] mmc: via-sdmmc: add a check against NULL pointer dereference Sasha Levin
2021-07-04 23:11 ` [PATCH AUTOSEL 4.9 14/20] crypto: shash - avoid comparing pointers to exported functions under CFI Sasha Levin
2021-07-04 23:11 ` [PATCH AUTOSEL 4.9 15/20] 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 4.9 17/20] btrfs: abort transaction if we fail to update the delayed inode Sasha Levin
2021-07-04 23:11 ` [PATCH AUTOSEL 4.9 18/20] btrfs: make Private2 lifespan more consistent Sasha Levin
2021-07-04 23:11 ` [PATCH AUTOSEL 4.9 19/20] btrfs: disable build on platforms having page size 256K Sasha Levin
2021-07-04 23:11 ` [PATCH AUTOSEL 4.9 20/20] regulator: da9052: Ensure enough delay time for .set_voltage_time_sel Sasha Levin
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