diff options
| author | Anirudh Venkataramanan <anirudh.venkataramanan@intel.com> | 2019-08-08 07:39:34 -0700 |
|---|---|---|
| committer | Jeff Kirsher <jeffrey.t.kirsher@intel.com> | 2019-09-05 08:13:40 -0700 |
| commit | ade78c2ec1def21bdaa597d4d01a7d6b9343fa60 (patch) | |
| tree | 65d92fb7f5f332b97f48016cab536d084517b0bb /drivers/net/ethernet/intel/ice/ice_sched.c | |
| parent | 208ff75135cd68a42638221626d2af2f8f17a3cb (diff) | |
ice: Check root pointer for validity
ice_sched_get_tc_node uses pi->root without checking for NULL. Add a
check to prevent NULL pointer dereference.
Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Diffstat (limited to 'drivers/net/ethernet/intel/ice/ice_sched.c')
| -rw-r--r-- | drivers/net/ethernet/intel/ice/ice_sched.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/ethernet/intel/ice/ice_sched.c b/drivers/net/ethernet/intel/ice/ice_sched.c index 79d64f9ed609..fc624b73d05d 100644 --- a/drivers/net/ethernet/intel/ice/ice_sched.c +++ b/drivers/net/ethernet/intel/ice/ice_sched.c @@ -284,7 +284,7 @@ struct ice_sched_node *ice_sched_get_tc_node(struct ice_port_info *pi, u8 tc) { u8 i; - if (!pi) + if (!pi || !pi->root) return NULL; for (i = 0; i < pi->root->num_children; i++) if (pi->root->children[i]->tc_num == tc) |