From: Muhammad Husaini Zulkifli muhammad.husaini.zulkifli@intel.com
[ Upstream commit 3b61764fb49a6e147ac90d71dccdddc9d5508ba1 ]
Using the tc qdisc command, the user can set basetime to any value. Checking should be done on the driver's side to prevent registering basetime values that are less than zero.
Fixes: ec50a9d437f0 ("igc: Add support for taprio offloading") Signed-off-by: Muhammad Husaini Zulkifli muhammad.husaini.zulkifli@intel.com Tested-by: Naama Meir naamax.meir@linux.intel.com Signed-off-by: Tony Nguyen anthony.l.nguyen@intel.com Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/net/ethernet/intel/igc/igc_main.c | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/drivers/net/ethernet/intel/igc/igc_main.c b/drivers/net/ethernet/intel/igc/igc_main.c index af55e2f62e47..26dd710fba8f 100644 --- a/drivers/net/ethernet/intel/igc/igc_main.c +++ b/drivers/net/ethernet/intel/igc/igc_main.c @@ -5984,6 +5984,9 @@ static int igc_save_qbv_schedule(struct igc_adapter *adapter, if (!qopt->enable) return igc_tsn_clear_schedule(adapter);
+ if (qopt->base_time < 0) + return -ERANGE; + if (adapter->base_time) return -EALREADY;