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| author | Mario Limonciello <mario.limonciello@dell.com> | 2020-10-26 19:12:59 +0300 |
|---|---|---|
| committer | Mika Westerberg <mika.westerberg@linux.intel.com> | 2021-01-28 15:30:57 +0300 |
| commit | 4d395c5e74398f664405819330e5a298da37f655 (patch) | |
| tree | e45b2bcca89fff8be148bf659ee4c4b223443225 /scripts/recordmcount.h | |
| parent | 6ee1d745b7c9fd573fba142a2efdad76a9f1cb04 (diff) | |
| download | linux-4d395c5e74398f664405819330e5a298da37f655.tar.bz2 | |
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: b2be2b05cf3b ("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>
Diffstat (limited to 'scripts/recordmcount.h')
0 files changed, 0 insertions, 0 deletions