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Xin Xiong fea1298d57 atm: fix atm_dev refcnt leaks in atmtcp_remove_persistent 
[ Upstream commit 51875dad43b44241b46a569493f1e4bfa0386d86 ]

atmtcp_remove_persistent() invokes atm_dev_lookup(), which returns a
reference of atm_dev with increased refcount or NULL if fails.

The refcount leaks issues occur in two error handling paths. If
dev_data->persist is zero or PRIV(dev)->vcc isn't NULL, the function
returns 0 without decreasing the refcount kept by a local variable,
resulting in refcount leaks.

Fix the issue by adding atm_dev_put() before returning 0 both when
dev_data->persist is zero or PRIV(dev)->vcc isn't NULL.

Signed-off-by: Xin Xiong <xiongx18@fudan.edu.cn>
Signed-off-by: Xiyu Yang <xiyuyang19@fudan.edu.cn>
Signed-off-by: Xin Tan <tanxin.ctf@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2020-08-11 15:32:33 +02:00
..
.gitignore
adummy.c atm: make atmdev_ops const 2017-08-09 22:43:50 -07:00
ambassador.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2017-11-29 13:10:25 -08:00
ambassador.h
atmtcp.c atm: fix atm_dev refcnt leaks in atmtcp_remove_persistent 2020-08-11 15:32:33 +02:00
eni.c atm: eni: fix uninitialized variable warning 2020-02-01 09:37:09 +00:00
eni.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
firestream.c firestream: fix memory leaks 2020-01-29 16:43:14 +01:00
firestream.h
fore200e.c fore200e: Fix incorrect checks of NULL pointer dereference 2020-02-24 08:34:42 +01:00
fore200e.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
he.c atm: he: fix sign-extension overflow on large shift 2019-02-27 10:08:57 +01:00
he.h
horizon.c treewide: setup_timer() -> timer_setup() 2017-11-21 15:57:07 -08:00
horizon.h
idt77105.c treewide: Switch DEFINE_TIMER callbacks to struct timer_list * 2017-11-21 15:57:05 -08:00
idt77105.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
idt77252.c atm: idt77252: remove redundant bit-wise or'ing of zero 2018-02-23 12:42:26 -05:00
idt77252.h atm: idt77252: Convert timers to use timer_setup() 2017-10-18 12:39:38 +01:00
idt77252_tables.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
iphase.c atm: iphase: Fix Spectre v1 vulnerability 2019-08-09 17:52:29 +02:00
iphase.h scripts/spelling.txt: add "followings" pattern and fix typo instances 2017-02-27 18:43:47 -08:00
Kconfig Kconfig: Fix the reference to the IDT77105 Phy driver in the description of ATM_NICSTAR_USE_IDT77105 2019-09-21 07:16:57 +02:00
lanai.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2017-11-29 13:10:25 -08:00
Makefile License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
midway.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
nicstar.c treewide: setup_timer() -> timer_setup() 2017-11-21 15:57:07 -08:00
nicstar.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
nicstarmac.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
nicstarmac.copyright
solos-attrlist.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
solos-pci.c treewide: kmalloc() -> kmalloc_array() 2018-06-12 16:19:22 -07:00
suni.c atm: suni: remove extraneous space to fix indentation 2017-11-28 16:03:09 -05:00
suni.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
tonga.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
uPD98401.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
uPD98402.c Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
uPD98402.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
zatm.c atm: zatm: Fix empty body Clang warnings 2019-12-01 09:16:41 +01:00
zatm.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
zeprom.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00