net/ice/base: fix overrun

Added boundary check for layer_num in function ice_sched_rm_rl_profile,
and ice_sched_add_rl_profile.

Cc: stable@dpdk.org
Tarun Singh <tarun.k.singh@intel.com>
Signed-off-by: Paul M Stillwell Jr <paul.m.stillwell.jr@intel.com>
Signed-off-by: Qi Zhang <qi.z.zhang@intel.com>
Acked-by: Xiaolong Ye <xiaolong.ye@intel.com>

diff --git a/drivers/net/ice/base/ice_sched.c b/drivers/net/ice/base/ice_sched.c
index 01c8def..1cfc3bc 100644 (file)
--- a/drivers/net/ice/base/ice_sched.c
+++ b/drivers/net/ice/base/ice_sched.c
@@ -3799,10 +3799,12 @@ ice_sched_add_rl_profile(struct ice_port_info *pi,
        struct ice_aqc_rl_profile_generic_elem *buf;
        struct ice_aqc_rl_profile_info *rl_prof_elem;
        u16 profiles_added = 0, num_profiles = 1;
-       enum ice_status status = ICE_ERR_PARAM;
+       enum ice_status status;
        struct ice_hw *hw;
        u8 profile_type;
 
+       if (layer_num >= ICE_AQC_TOPO_MAX_LEVEL_NUM)
+               return NULL;
        switch (rl_type) {
        case ICE_MIN_BW:
                profile_type = ICE_AQC_RL_PROFILE_TYPE_CIR;
@@ -4049,6 +4051,8 @@ ice_sched_rm_rl_profile(struct ice_port_info *pi, u8 layer_num, u8 profile_type,
        struct ice_aqc_rl_profile_info *rl_prof_elem;
        enum ice_status status = ICE_SUCCESS;
 
+       if (layer_num >= ICE_AQC_TOPO_MAX_LEVEL_NUM)
+               return ICE_ERR_PARAM;
        /* Check the existing list for RL profile */
        LIST_FOR_EACH_ENTRY(rl_prof_elem, &pi->rl_prof_list[layer_num],
                            ice_aqc_rl_profile_info, list_entry)