diff options
Diffstat (limited to 'drivers/thunderbolt/tunnel.c')
| -rw-r--r-- | drivers/thunderbolt/tunnel.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/thunderbolt/tunnel.c b/drivers/thunderbolt/tunnel.c index 8ccd70920b6a..2c3cf7fc3357 100644 --- a/drivers/thunderbolt/tunnel.c +++ b/drivers/thunderbolt/tunnel.c @@ -102,8 +102,11 @@ static unsigned int tb_available_credits(const struct tb_port *port, * Maximum number of DP streams possible through the * lane adapter. */ - ndp = (credits - (usb3 + pcie + spare)) / - (sw->min_dp_aux_credits + sw->min_dp_main_credits); + if (sw->min_dp_aux_credits + sw->min_dp_main_credits) + ndp = (credits - (usb3 + pcie + spare)) / + (sw->min_dp_aux_credits + sw->min_dp_main_credits); + else + ndp = 0; } else { ndp = 0; } |