Merge "msm: IPA: add the check on intf query" (5622b506) · Commits · e / devices / samsung / android_kernel_samsung_msm8916

drivers/platform/msm/ipa/ipa_intf.c

+25 −1

Original line number	Diff line number	Diff line
		/* Copyright (c) 2013-2014, The Linux Foundation. All rights reserved.
		/* Copyright (c) 2013-2017, The Linux Foundation. All rights reserved.
		*
		* This program is free software; you can redistribute it and/or modify
		* it under the terms of the GNU General Public License version 2 and
		@@ -265,6 +265,14 @@ int ipa_query_intf_tx_props(struct ipa_ioc_query_intf_tx_props *tx)
		mutex_lock(&ipa_ctx->lock);
		list_for_each_entry(entry, &ipa_ctx->intf_list, link) {
		if (!strncmp(entry->name, tx->name, IPA_RESOURCE_NAME_MAX)) {
		/* add the entry check */
		if (entry->num_tx_props != tx->num_tx_props) {
		IPAERR("invalid entry number(%u %u)\n",
		entry->num_tx_props,
		tx->num_tx_props);
		mutex_unlock(&ipa_ctx->lock);
		return result;
		}
		memcpy(tx->tx, entry->tx, entry->num_tx_props *
		sizeof(struct ipa_ioc_tx_intf_prop));
		result = 0;
		@@ -298,6 +306,14 @@ int ipa_query_intf_rx_props(struct ipa_ioc_query_intf_rx_props *rx)
		mutex_lock(&ipa_ctx->lock);
		list_for_each_entry(entry, &ipa_ctx->intf_list, link) {
		if (!strncmp(entry->name, rx->name, IPA_RESOURCE_NAME_MAX)) {
		/* add the entry check */
		if (entry->num_rx_props != rx->num_rx_props) {
		IPAERR("invalid entry number(%u %u)\n",
		entry->num_rx_props,
		rx->num_rx_props);
		mutex_unlock(&ipa_ctx->lock);
		return result;
		}
		memcpy(rx->rx, entry->rx, entry->num_rx_props *
		sizeof(struct ipa_ioc_rx_intf_prop));
		result = 0;
		@@ -331,6 +347,14 @@ int ipa_query_intf_ext_props(struct ipa_ioc_query_intf_ext_props *ext)
		mutex_lock(&ipa_ctx->lock);
		list_for_each_entry(entry, &ipa_ctx->intf_list, link) {
		if (!strcmp(entry->name, ext->name)) {
		/* add the entry check */
		if (entry->num_ext_props != ext->num_ext_props) {
		IPAERR("invalid entry number(%u %u)\n",
		entry->num_ext_props,
		ext->num_ext_props);
		mutex_unlock(&ipa_ctx->lock);
		return result;
		}
		memcpy(ext->ext, entry->ext, entry->num_ext_props *
		sizeof(struct ipa_ioc_ext_intf_prop));
		result = 0;