Merge "msm: ipa_v2: Protect ipa default routing table" (51b5a6ca) · Commits · e / devices / android_kernel_fairphone_FP3

drivers/platform/msm/ipa/ipa_v2/ipa_rt.c

+7 −3

Original line number	Diff line number	Diff line
		@@ -1067,9 +1067,8 @@ static int __ipa_add_rt_rule(enum ipa_ip_type ip, const char *name,
		* tables
		*/
		if (!strcmp(tbl->name, IPA_DFLT_RT_TBL_NAME) &&
		(tbl->rule_cnt > 0) && (at_rear != 0)) {
		IPAERR("cannot add rule at end of tbl rule_cnt=%d at_rear=%d\n",
		tbl->rule_cnt, at_rear);
		(tbl->rule_cnt > 0)) {
		IPAERR_RL("cannot add rules to default rt table\n");
		goto error;
		}

		@@ -1608,6 +1607,11 @@ static int __ipa_mdfy_rt_rule(struct ipa_rt_rule_mdfy *rtrule)
		goto error;
		}

		if (!strcmp(entry->tbl->name, IPA_DFLT_RT_TBL_NAME)) {
		IPAERR_RL("Default tbl rule cannot be modified\n");
		return -EINVAL;
		}

		/* Adding check to confirm still
		* header entry present in header table or not
		*/