diff options
| author | Einar Jón <tolvupostur@gmail.com> | 2016-08-12 13:50:41 +0200 |
|---|---|---|
| committer | Mister Oyster <oysterized@gmail.com> | 2017-07-04 11:51:04 +0200 |
| commit | 6780847d637b3c02c5d87c1b3186aba2c86af06c (patch) | |
| tree | 3fbde640e9f0f3d17ea75468b6bf896b09dc618d /kernel/sysctl.c | |
| parent | d8332b94283ee5e7a329555b4f91054f23036902 (diff) | |
can: c_can_pci: fix null-pointer-deref in c_can_start() - set device pointer
commit c97c52be78b8463ac5407f1cf1f22f8f6cf93a37 upstream.
The priv->device pointer for c_can_pci is never set, but it is used
without a NULL check in c_can_start(). Setting it in c_can_pci_probe()
like c_can_plat_probe() prevents c_can_pci.ko from crashing, with and
without CONFIG_PM.
This might also cause the pm_runtime_*() functions in c_can.c to
actually be executed for c_can_pci devices - they are the only other
place where priv->device is used, but they all contain a null check.
Signed-off-by: Einar Jón <tolvupostur@gmail.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Willy Tarreau <w@1wt.eu>
Diffstat (limited to 'kernel/sysctl.c')
0 files changed, 0 insertions, 0 deletions