From 03ce79e357f3afefe8d1409a98b5ae03c611d611 Mon Sep 17 00:00:00 2001 From: Michal Privoznik Date: Fri, 8 Dec 2017 11:18:07 +0100 Subject: [PATCH] tc: util: Don't call NEXT_ARG_FWD() in __parse_action_control() Not all callers want parse_action_control*() to advance the arguments. For instance act_parse_police() does the argument advancing itself. Fixes: e67aba559581 ("tc: actions: add helpers to parse and print control actions") Signed-off-by: Michal Privoznik (cherry picked from commit 3572e01a090a298e2f4c4f796bad6639b652e031) --- tc/m_bpf.c | 1 + tc/m_connmark.c | 1 + tc/m_csum.c | 1 + tc/m_gact.c | 10 +++++----- tc/m_ife.c | 1 + tc/m_mirred.c | 4 +++- tc/m_nat.c | 1 + tc/m_pedit.c | 1 + tc/m_sample.c | 1 + tc/m_skbedit.c | 1 + tc/m_skbmod.c | 1 + tc/m_tunnel_key.c | 1 + tc/m_vlan.c | 1 + tc/tc_util.c | 1 - 14 files changed, 19 insertions(+), 7 deletions(-) diff --git a/tc/m_bpf.c b/tc/m_bpf.c index e3d0a2b118384..8b091a72951c3 100644 --- a/tc/m_bpf.c +++ b/tc/m_bpf.c @@ -125,6 +125,7 @@ opt_bpf: parse_action_control_dflt(&argc, &argv, &parm.action, false, TC_ACT_PIPE); + NEXT_ARG_FWD(); if (argc) { if (matches(*argv, "index") == 0) { diff --git a/tc/m_connmark.c b/tc/m_connmark.c index 37d7185415490..47c7a8c2b17e7 100644 --- a/tc/m_connmark.c +++ b/tc/m_connmark.c @@ -82,6 +82,7 @@ parse_connmark(struct action_util *a, int *argc_p, char ***argv_p, int tca_id, } parse_action_control_dflt(&argc, &argv, &sel.action, false, TC_ACT_PIPE); + NEXT_ARG_FWD(); if (argc) { if (matches(*argv, "index") == 0) { diff --git a/tc/m_csum.c b/tc/m_csum.c index 7b156734f64c5..e1352c0820f69 100644 --- a/tc/m_csum.c +++ b/tc/m_csum.c @@ -124,6 +124,7 @@ parse_csum(struct action_util *a, int *argc_p, } parse_action_control_dflt(&argc, &argv, &sel.action, false, TC_ACT_OK); + NEXT_ARG_FWD(); if (argc) { if (matches(*argv, "index") == 0) { diff --git a/tc/m_gact.c b/tc/m_gact.c index 38949e903be36..7ea2d431f89f9 100644 --- a/tc/m_gact.c +++ b/tc/m_gact.c @@ -88,14 +88,13 @@ parse_gact(struct action_util *a, int *argc_p, char ***argv_p, if (argc < 0) return -1; - - if (matches(*argv, "gact") == 0) { - argc--; - argv++; - } else if (parse_action_control(&argc, &argv, &p.action, false) == -1) { + if (matches(*argv, "gact") != 0 && + parse_action_control(&argc, &argv, &p.action, false) == -1) { usage(); /* does not return */ } + NEXT_ARG_FWD(); + #ifdef CONFIG_GACT_PROB if (argc > 0) { if (matches(*argv, "random") == 0) { @@ -115,6 +114,7 @@ parse_gact(struct action_util *a, int *argc_p, char ***argv_p, if (parse_action_control(&argc, &argv, &pp.paction, false) == -1) usage(); + NEXT_ARG_FWD(); if (get_u16(&pp.pval, *argv, 10)) { fprintf(stderr, "Illegal probability val 0x%x\n", pp.pval); return -1; diff --git a/tc/m_ife.c b/tc/m_ife.c index 8d0fd31fb9440..34b8e03e7e589 100644 --- a/tc/m_ife.c +++ b/tc/m_ife.c @@ -160,6 +160,7 @@ static int parse_ife(struct action_util *a, int *argc_p, char ***argv_p, parse_action_control_dflt(&argc, &argv, &p.action, false, TC_ACT_PIPE); + NEXT_ARG_FWD(); if (argc) { if (matches(*argv, "index") == 0) { NEXT_ARG(); diff --git a/tc/m_mirred.c b/tc/m_mirred.c index 2384bda1ff045..b09b016c2ca39 100644 --- a/tc/m_mirred.c +++ b/tc/m_mirred.c @@ -170,8 +170,10 @@ parse_direction(struct action_util *a, int *argc_p, char ***argv_p, } - if (p.eaction == TCA_EGRESS_MIRROR || p.eaction == TCA_INGRESS_MIRROR) + if (p.eaction == TCA_EGRESS_MIRROR || p.eaction == TCA_INGRESS_MIRROR) { parse_action_control(&argc, &argv, &p.action, false); + NEXT_ARG_FWD(); + } if (argc) { if (iok && matches(*argv, "index") == 0) { diff --git a/tc/m_nat.c b/tc/m_nat.c index 31b68fb6bd784..bb455f080b3a4 100644 --- a/tc/m_nat.c +++ b/tc/m_nat.c @@ -117,6 +117,7 @@ parse_nat(struct action_util *a, int *argc_p, char ***argv_p, int tca_id, struct parse_action_control_dflt(&argc, &argv, &sel.action, false, TC_ACT_OK); + NEXT_ARG_FWD(); if (argc) { if (matches(*argv, "index") == 0) { NEXT_ARG(); diff --git a/tc/m_pedit.c b/tc/m_pedit.c index 5d89ab1d832ab..3391be95da38c 100644 --- a/tc/m_pedit.c +++ b/tc/m_pedit.c @@ -673,6 +673,7 @@ int parse_pedit(struct action_util *a, int *argc_p, char ***argv_p, int tca_id, parse_action_control_dflt(&argc, &argv, &sel.sel.action, false, TC_ACT_OK); + NEXT_ARG_FWD(); if (argc) { if (matches(*argv, "index") == 0) { NEXT_ARG(); diff --git a/tc/m_sample.c b/tc/m_sample.c index ff5ee6bd1ef63..31774c0e806b4 100644 --- a/tc/m_sample.c +++ b/tc/m_sample.c @@ -100,6 +100,7 @@ static int parse_sample(struct action_util *a, int *argc_p, char ***argv_p, parse_action_control_dflt(&argc, &argv, &p.action, false, TC_ACT_PIPE); + NEXT_ARG_FWD(); if (argc) { if (matches(*argv, "index") == 0) { NEXT_ARG(); diff --git a/tc/m_skbedit.c b/tc/m_skbedit.c index aa374fcb33ed9..c41a7bb082dad 100644 --- a/tc/m_skbedit.c +++ b/tc/m_skbedit.c @@ -123,6 +123,7 @@ parse_skbedit(struct action_util *a, int *argc_p, char ***argv_p, int tca_id, parse_action_control_dflt(&argc, &argv, &sel.action, false, TC_ACT_PIPE); + NEXT_ARG_FWD(); if (argc) { if (matches(*argv, "index") == 0) { NEXT_ARG(); diff --git a/tc/m_skbmod.c b/tc/m_skbmod.c index ba79308ba8354..00318d42642a5 100644 --- a/tc/m_skbmod.c +++ b/tc/m_skbmod.c @@ -125,6 +125,7 @@ static int parse_skbmod(struct action_util *a, int *argc_p, char ***argv_p, parse_action_control_dflt(&argc, &argv, &p.action, false, TC_ACT_PIPE); + NEXT_ARG_FWD(); if (argc) { if (matches(*argv, "index") == 0) { NEXT_ARG(); diff --git a/tc/m_tunnel_key.c b/tc/m_tunnel_key.c index 1cdd03560c357..2dc91879c2375 100644 --- a/tc/m_tunnel_key.c +++ b/tc/m_tunnel_key.c @@ -175,6 +175,7 @@ static int parse_tunnel_key(struct action_util *a, int *argc_p, char ***argv_p, parse_action_control_dflt(&argc, &argv, &parm.action, false, TC_ACT_PIPE); + NEXT_ARG_FWD(); if (argc) { if (matches(*argv, "index") == 0) { NEXT_ARG(); diff --git a/tc/m_vlan.c b/tc/m_vlan.c index cccb4996b05f3..0b2966ce82e53 100644 --- a/tc/m_vlan.c +++ b/tc/m_vlan.c @@ -137,6 +137,7 @@ static int parse_vlan(struct action_util *a, int *argc_p, char ***argv_p, parse_action_control_dflt(&argc, &argv, &parm.action, false, TC_ACT_PIPE); + NEXT_ARG_FWD(); if (argc) { if (matches(*argv, "index") == 0) { NEXT_ARG(); diff --git a/tc/tc_util.c b/tc/tc_util.c index b39e5508235ed..173097d2c28a0 100644 --- a/tc/tc_util.c +++ b/tc/tc_util.c @@ -524,7 +524,6 @@ static int __parse_action_control(int *argc_p, char ***argv_p, int *result_p, } result |= jump_cnt; } - NEXT_ARG_FWD(); *argc_p = argc; *argv_p = argv; *result_p = result; -- 2.13.1