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msm: ipa3: adding check for holb stats

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Adding null checks while getting the holb stats

Change-Id: Iba83cd86522679137f66fa1e7844884955fecf4d
Signed-off-by: Veerendra Kumar Kamsali <quic_veekum@quicinc.com>
This commit is contained in:
Veerendra Kumar Kamsali
2022-10-26 11:14:04 +05:30
committed by Gerrit - the friendly Code Review server
parent 757a544d71
commit e739dfa5ab
1 changed files with 38 additions and 34 deletions
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72
drivers/platform/msm/ipa/ipa_v3/ipa_stats.c
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@@ -229,47 +229,51 @@ static int ipa_get_generic_stats(unsigned long arg)
return res; return res;
} }
/* HOLB Discard stats */ if(ipa_lnx_agent_ctx.alloc_info.num_holb_drop_stats_clients != 0 ) {
holb_disc_stats_ptr = &generic_stats->holb_stats.holb_disc_stats[0]; /* HOLB Discard stats */
for (i = 0; i < IPA_CLIENT_MAX; i++) { holb_disc_stats_ptr = &generic_stats->holb_stats.holb_disc_stats[0];
int ep_idx = ipa_get_ep_mapping(i); for (i = 0; i < IPA_CLIENT_MAX; i++) {
int ep_idx = ipa_get_ep_mapping(i);
if ((ep_idx == -1) || (!IPA_CLIENT_IS_CONS(i)) || if ((ep_idx == -1) || (!IPA_CLIENT_IS_CONS(i)) ||
(IPA_CLIENT_IS_TEST(i))) (IPA_CLIENT_IS_TEST(i)))
continue; continue;
reg_idx = ipahal_get_ep_reg_idx(ep_idx); reg_idx = ipahal_get_ep_reg_idx(ep_idx);
if (!(ipa3_ctx->hw_stats && if (!(ipa3_ctx->hw_stats &&
(ipa3_ctx->hw_stats->drop.init.enabled_bitmask[reg_idx] & (ipa3_ctx->hw_stats->drop.init.enabled_bitmask[reg_idx] &
ipahal_get_ep_bit(ep_idx)))) ipahal_get_ep_bit(ep_idx))))
continue; continue;
holb_disc_stats_ptr->client_type = i; holb_disc_stats_ptr->client_type = i;
holb_disc_stats_ptr->num_drp_cnt = out->client[i].drop_packet_cnt; holb_disc_stats_ptr->num_drp_cnt = out->client[i].drop_packet_cnt;
holb_disc_stats_ptr->num_drp_bytes = out->client[i].drop_byte_cnt; holb_disc_stats_ptr->num_drp_bytes = out->client[i].drop_byte_cnt;
holb_disc_stats_ptr = (struct holb_discard_stats *)(( holb_disc_stats_ptr = (struct holb_discard_stats *)((
uint64_t)holb_disc_stats_ptr + sizeof(struct holb_discard_stats)); uint64_t)holb_disc_stats_ptr + sizeof(struct holb_discard_stats));
}
} }
/* HOLB Monitor stats */ if(ipa_lnx_agent_ctx.alloc_info.num_holb_mon_stats_clients != 0 ) {
holb_mon_stats_ptr = (struct holb_monitor_stats *)( /* HOLB Monitor stats */
(uint64_t)&generic_stats->holb_stats.holb_disc_stats[0] + holb_mon_stats_ptr = (struct holb_monitor_stats *)(
(ipa_lnx_agent_ctx.alloc_info.num_holb_drop_stats_clients * (uint64_t)&generic_stats->holb_stats.holb_disc_stats[0] +
sizeof(struct holb_discard_stats))); (ipa_lnx_agent_ctx.alloc_info.num_holb_drop_stats_clients *
for (i = 0; i < generic_stats->holb_stats.num_holb_mon_clients; i++) { sizeof(struct holb_discard_stats)));
holb_client = &(ipa3_ctx->uc_ctx.holb_monitor.client[i]); for (i = 0; i < generic_stats->holb_stats.num_holb_mon_clients; i++) {
/* Get the client type from gsi_hdl */ holb_client = &(ipa3_ctx->uc_ctx.holb_monitor.client[i]);
for (j = 0; j < IPA5_MAX_NUM_PIPES; j++) { /* Get the client type from gsi_hdl */
if (ipa3_ctx->ep[j].gsi_chan_hdl == holb_client->gsi_chan_hdl) { for (j = 0; j < IPA5_MAX_NUM_PIPES; j++) {
holb_mon_stats_ptr->client_type = ipa3_ctx->ep[j].client; if (ipa3_ctx->ep[j].gsi_chan_hdl == holb_client->gsi_chan_hdl) {
break; holb_mon_stats_ptr->client_type = ipa3_ctx->ep[j].client;
break;
}
} }
holb_mon_stats_ptr->curr_index = holb_client->current_idx;
holb_mon_stats_ptr->num_en_cnt = holb_client->enable_cnt;
holb_mon_stats_ptr->num_dis_cnt = holb_client->disable_cnt;
holb_mon_stats_ptr = (struct holb_monitor_stats *)((
uint64_t)holb_mon_stats_ptr + sizeof(struct holb_monitor_stats));
} }
holb_mon_stats_ptr->curr_index = holb_client->current_idx;
holb_mon_stats_ptr->num_en_cnt = holb_client->enable_cnt;
holb_mon_stats_ptr->num_dis_cnt = holb_client->disable_cnt;
holb_mon_stats_ptr = (struct holb_monitor_stats *)((
uint64_t)holb_mon_stats_ptr + sizeof(struct holb_monitor_stats));
} }
if(copy_to_user((void __user *)arg, if(copy_to_user((void __user *)arg,