diff options
| -rw-r--r-- | drivers/platform/msm/ipa/ipa_v2/ipa_rt.c | 11 | ||||
| -rw-r--r-- | drivers/platform/msm/ipa/ipa_v3/ipa_rt.c | 11 |
2 files changed, 20 insertions, 2 deletions
diff --git a/drivers/platform/msm/ipa/ipa_v2/ipa_rt.c b/drivers/platform/msm/ipa/ipa_v2/ipa_rt.c index 293a60a60881..4a68b96ca89a 100644 --- a/drivers/platform/msm/ipa/ipa_v2/ipa_rt.c +++ b/drivers/platform/msm/ipa/ipa_v2/ipa_rt.c @@ -1,4 +1,4 @@ -/* Copyright (c) 2012-2017, The Linux Foundation. All rights reserved. +/* Copyright (c) 2012-2018, 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 @@ -1143,6 +1143,15 @@ int __ipa_del_rt_rule(u32 rule_hdl) return -EINVAL; } + if (!strcmp(entry->tbl->name, IPA_DFLT_RT_TBL_NAME)) { + IPADBG("Deleting rule from default rt table idx=%u\n", + entry->tbl->idx); + if (entry->tbl->rule_cnt == 1) { + IPAERR_RL("Default tbl last rule cannot be deleted\n"); + return -EINVAL; + } + } + if (entry->hdr) __ipa_release_hdr(entry->hdr->id); else if (entry->proc_ctx) diff --git a/drivers/platform/msm/ipa/ipa_v3/ipa_rt.c b/drivers/platform/msm/ipa/ipa_v3/ipa_rt.c index b9af782b4f6e..a10e2cb9ce8b 100644 --- a/drivers/platform/msm/ipa/ipa_v3/ipa_rt.c +++ b/drivers/platform/msm/ipa/ipa_v3/ipa_rt.c @@ -1,4 +1,4 @@ -/* Copyright (c) 2012-2017, The Linux Foundation. All rights reserved. +/* Copyright (c) 2012-2018, 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 @@ -1281,6 +1281,15 @@ int __ipa3_del_rt_rule(u32 rule_hdl) return -EINVAL; } + if (!strcmp(entry->tbl->name, IPA_DFLT_RT_TBL_NAME)) { + IPADBG("Deleting rule from default rt table idx=%u\n", + entry->tbl->idx); + if (entry->tbl->rule_cnt == 1) { + IPAERR_RL("Default tbl last rule cannot be deleted\n"); + return -EINVAL; + } + } + if (entry->hdr) __ipa3_release_hdr(entry->hdr->id); else if (entry->proc_ctx) |