linux-stable/drivers/thunderbolt
Mario Limonciello 4d395c5e74 thunderbolt: Fix possible NULL pointer dereference in tb_acpi_add_link()
When we walk up the device hierarchy in tb_acpi_add_link() make sure we
break the loop if the device has no parent. Otherwise we may crash the
kernel by dereferencing a NULL pointer.

Fixes: b2be2b05cf ("thunderbolt: Create device links from ACPI description")
Cc: stable@vger.kernel.org
Signed-off-by: Mario Limonciello <mario.limonciello@dell.com>
Acked-by: Yehezkel Bernat <YehezkelShB@gmail.com>
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
2021-01-28 15:30:57 +03:00
..
Kconfig thunderbolt: Add DMA traffic test driver 2020-11-11 10:20:16 +03:00
Makefile thunderbolt: Add DMA traffic test driver 2020-11-11 10:20:16 +03:00
acpi.c thunderbolt: Fix possible NULL pointer dereference in tb_acpi_add_link() 2021-01-28 15:30:57 +03:00
cap.c thunderbolt: Introduce tb_switch_next_cap() 2020-09-03 12:21:07 +03:00
ctl.c thunderbolt: Return -ENOTCONN when ERR_CONN is received 2020-11-30 14:39:24 +03:00
ctl.h thunderbolt: Populate PG field in hot plug acknowledgment packet 2019-12-18 15:34:25 +01:00
debugfs.c thunderbolt: Changes for v5.11 merge window 2020-12-08 13:41:45 +01:00
dma_port.c
dma_port.h
dma_test.c thunderbolt: Add DMA traffic test driver 2020-11-11 10:20:16 +03:00
domain.c thunderbolt: Allow KUnit tests to be built also when CONFIG_USB4=m 2020-09-16 14:57:46 +03:00
eeprom.c thunderbolt: Retry DROM read once if parsing fails 2020-09-09 14:00:56 +03:00
icm.c thunderbolt: Drop duplicated 0x prefix from format string 2021-01-07 15:14:44 +03:00
lc.c thunderbolt: Enable wakes from system suspend 2020-09-03 12:06:42 +03:00
nhi.c thunderbolt: Changes for v5.11 merge window 2020-12-08 13:41:45 +01:00
nhi.h thunderbolt: Changes for v5.11 merge window 2020-12-08 13:41:45 +01:00
nhi_ops.c thunderbolt: Software CM only should set force power in Tiger Lake 2020-09-03 12:06:40 +03:00
nhi_regs.h thunderbolt: Add support for Intel Ice Lake 2019-08-26 12:15:06 +03:00
nvm.c thunderbolt: Add support for separating the flush to SPI and authenticate 2020-07-01 13:51:49 +03:00
path.c thunderbolt: Log adapter numbers in decimal in path activation/deactivation 2020-11-30 14:39:23 +03:00
property.c
quirks.c thunderbolt: Correct tb_check_quirks() kernel-doc 2020-09-16 14:57:46 +03:00
retimer.c thunderbolt: Add support for on-board retimers 2020-06-22 19:58:32 +03:00
sb_regs.h thunderbolt: Add support for on-board retimers 2020-06-22 19:58:32 +03:00
switch.c thunderbolt: Perform USB4 router NVM upgrade in two phases 2020-11-30 14:39:24 +03:00
tb.c thunderbolt: Log which connection manager implementation is used 2020-11-30 14:39:23 +03:00
tb.h thunderbolt: Changes for v5.11 merge window 2020-12-08 13:41:45 +01:00
tb_msgs.h thunderbolt: Add USB4 router operation proxy for firmware connection manager 2020-11-30 14:39:24 +03:00
tb_regs.h thunderbolt: Move constants for USB4 router operations to tb_regs.h 2020-11-30 14:39:24 +03:00
test.c thunderbolt: Allow KUnit tests to be built also when CONFIG_USB4=m 2020-09-16 14:57:46 +03:00
tmu.c thunderbolt: Add support for Time Management Unit 2019-12-18 15:41:15 +01:00
tunnel.c thunderbolt: Make it possible to allocate one directional DMA tunnel 2020-11-11 10:20:16 +03:00
tunnel.h thunderbolt: Add USB3 bandwidth management 2020-06-22 19:58:20 +03:00
usb4.c thunderbolt: Changes for v5.11 merge window 2020-12-08 13:41:45 +01:00
xdomain.c thunderbolt: Changes for v5.11 merge window 2020-12-08 13:41:45 +01:00