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linux-stable/drivers/media/tuners
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Wang Hai 1a8869de32 media: msi001: fix possible null-ptr-deref in msi001_probe() 
[ Upstream commit 3d5831a40d3464eea158180eb12cbd81c5edfb6a ]

I got a null-ptr-deref report:

BUG: kernel NULL pointer dereference, address: 0000000000000060
...
RIP: 0010:v4l2_ctrl_auto_cluster+0x57/0x270
...
Call Trace:
 msi001_probe+0x13b/0x24b [msi001]
 spi_probe+0xeb/0x130
...
 do_syscall_64+0x35/0xb0

In msi001_probe(), if the creation of control for bandwidth_auto
fails, there will be a null-ptr-deref issue when it is used in
v4l2_ctrl_auto_cluster().

Check dev->hdl.error before v4l2_ctrl_auto_cluster() to fix this bug.

Link: https://lore.kernel.org/linux-media/20211026112348.2878040-1-wanghai38@huawei.com
Fixes: 93203dd6c7c4 ("[media] msi001: Mirics MSi001 silicon tuner driver")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Wang Hai <wanghai38@huawei.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2022-01-27 10:53:56 +01:00
..
e4000_priv.h
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2019-05-21 11:28:39 +02:00
e4000.c
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2019-05-21 11:28:39 +02:00
e4000.h
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2019-05-21 11:28:39 +02:00
fc001x-common.h
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2019-05-30 11:26:37 -07:00
fc0011.c
media: Use fallthrough pseudo-keyword
2020-08-29 08:35:27 +02:00
fc0011.h
media: move dvb kAPI headers to include/media
2017-12-28 13:16:01 -05:00
fc0012-priv.h
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2019-05-30 11:26:37 -07:00
fc0012.c
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fc0012.h
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fc0013-priv.h
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2019-05-30 11:26:37 -07:00
fc0013.c
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fc0013.h
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2019-05-30 11:26:37 -07:00
fc2580_priv.h
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fc2580.c
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fc2580.h
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2019-05-21 11:28:39 +02:00
it913x.c
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2019-05-30 11:26:37 -07:00
it913x.h
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2019-05-30 11:26:37 -07:00
Kconfig
media: tuners: Kconfig: add some missing VIDEO_V4L2 dependencies
2020-04-23 07:57:27 +02:00
m88rs6000t.c
media: m88rs6000t: avoid potential out-of-bounds reads on arrays
2021-05-14 09:50:23 +02:00
m88rs6000t.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 157
2019-05-30 11:26:37 -07:00
Makefile
media: tuners: add new i2c driver for Sharp qm1d1b0004 ISDB-S tuner
2018-05-05 07:21:09 -04:00
max2165_priv.h
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2019-05-30 11:26:37 -07:00
max2165.c
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2019-05-30 11:26:37 -07:00
max2165.h
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2019-05-30 11:26:37 -07:00
mc44s803_priv.h
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2019-05-30 11:26:37 -07:00
mc44s803.c
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2019-05-30 11:26:37 -07:00
mc44s803.h
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2019-05-30 11:26:37 -07:00
msi001.c
media: msi001: fix possible null-ptr-deref in msi001_probe()
2022-01-27 10:53:56 +01:00
mt20xx.c
treewide: Add SPDX license identifier for more missed files
2019-05-21 10:50:45 +02:00
mt20xx.h
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2019-05-24 17:36:45 +02:00
mt2060_priv.h
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2019-05-30 11:26:37 -07:00
mt2060.c
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2019-05-30 11:26:37 -07:00
mt2060.h
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2019-05-30 11:26:37 -07:00
mt2063.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 238
2019-06-19 17:09:07 +02:00
mt2063.h
media: move dvb kAPI headers to include/media
2017-12-28 13:16:01 -05:00
mt2131_priv.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 157
2019-05-30 11:26:37 -07:00
mt2131.c
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2019-05-30 11:26:37 -07:00
mt2131.h
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2019-05-30 11:26:37 -07:00
mt2266.c
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2019-05-30 11:26:37 -07:00
mt2266.h
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2019-05-30 11:26:37 -07:00
mxl301rf.c
media: dvb: convert tuner_info frequencies to Hz
2018-08-02 16:14:50 -04:00
mxl301rf.h
media: tuners/mxl301rf: use SPDX License Identifier
2018-05-04 14:45:21 -04:00
mxl5005s.c
media: tuners: fix several typos
2019-03-01 09:40:29 -05:00
mxl5005s.h
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2019-05-24 17:36:45 +02:00
mxl5007t.c
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2019-05-30 11:26:37 -07:00
mxl5007t.h
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2019-05-30 11:26:37 -07:00
qm1d1b0004.c
media: dvb: convert tuner_info frequencies to Hz
2018-08-02 16:14:50 -04:00
qm1d1b0004.h
media: tuners: fix several typos
2019-03-01 09:40:29 -05:00
qm1d1c0042.c
media: qm1d1c0042: fix error return code in qm1d1c0042_init()
2021-03-04 11:37:43 +01:00
qm1d1c0042.h
media: tuners/qm1d1c0042: use SPDX License Identifier
2018-05-04 14:45:45 -04:00
qt1010_priv.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 157
2019-05-30 11:26:37 -07:00
qt1010.c
media: qt1010: fix usage of unititialized value
2020-09-03 11:07:57 +02:00
qt1010.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 157
2019-05-30 11:26:37 -07:00
r820t.c
media: tuners: fix several typos
2019-03-01 09:40:29 -05:00
r820t.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 1
2019-05-21 11:28:39 +02:00
si2157_priv.h
media: si2157: Add analog tuning related functions
2020-04-21 16:46:25 +02:00
si2157.c
media: si2157: Fix "warm" tuner state detection
2022-01-27 10:53:54 +01:00
si2157.h
media: si2157: Add option for not downloading firmware.
2019-10-10 07:07:14 -03:00
tda827x.c
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2019-05-30 11:26:37 -07:00
tda827x.h
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tda8290.c
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2019-05-24 17:36:45 +02:00
tda8290.h
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2019-05-24 17:36:45 +02:00
tda9887.c
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2019-05-21 10:50:45 +02:00
tda9887.h
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tda18212.c
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2019-05-21 11:28:39 +02:00
tda18212.h
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2019-05-21 11:28:39 +02:00
tda18218_priv.h
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tda18218.c
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tda18218.h
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tda18250_priv.h
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tda18250.c
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tda18250.h
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2019-05-30 11:26:37 -07:00
tda18271-common.c
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2019-05-24 17:36:45 +02:00
tda18271-fe.c
media: Use fallthrough pseudo-keyword
2020-08-29 08:35:27 +02:00
tda18271-maps.c
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2019-05-24 17:36:45 +02:00
tda18271-priv.h
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2019-05-24 17:36:45 +02:00
tda18271.h
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2019-05-24 17:36:45 +02:00
tea5761.c
MAINTAINERS & files: Canonize the e-mails I use at files
2018-05-04 06:21:06 -04:00
tea5761.h
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2019-05-24 17:36:45 +02:00
tea5767.c
MAINTAINERS & files: Canonize the e-mails I use at files
2018-05-04 06:21:06 -04:00
tea5767.h
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2019-05-24 17:36:45 +02:00
tua9001_priv.h
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2019-05-30 11:26:37 -07:00
tua9001.c
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2019-05-30 11:26:37 -07:00
tua9001.h
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2019-05-30 11:26:37 -07:00
tuner-i2c.h
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2019-05-24 17:36:45 +02:00
tuner-simple.c
media: tuner-simple: fix regression in simple_set_radio_freq
2020-08-26 18:51:50 +02:00
tuner-simple.h
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2019-05-24 17:36:45 +02:00
tuner-types.c
treewide: Add SPDX license identifier for more missed files
2019-05-21 10:50:45 +02:00
tuner-xc2028-types.h
media: tuners: Use the correct style for SPDX License Identifier
2019-10-24 18:57:55 -03:00
tuner-xc2028.c
media: media/tuners: Use kmemdup rather than duplicating its implementation
2019-08-14 05:03:11 -03:00
tuner-xc2028.h
media: tuners: Use the correct style for SPDX License Identifier
2019-10-24 18:57:55 -03:00
xc4000.c
media: media/tuners: Use kmemdup rather than duplicating its implementation
2019-08-14 05:03:11 -03:00
xc4000.h
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2019-05-30 11:26:37 -07:00
xc5000.c
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2020-08-23 17:36:59 -05:00
xc5000.h
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2019-05-30 11:26:37 -07:00