From: Vlad Yasevich Date: Tue, 19 Apr 2011 21:28:26 +0000 (+0000) Subject: sctp: remove completely unsed EMPTY state X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=0b8f9e25b0aaf5a5d9fd844a97e5c17746b865d4;p=GitHub%2Fexynos8895%2Fandroid_kernel_samsung_universal8895.git sctp: remove completely unsed EMPTY state SCTP does not SCTP_STATE_EMPTY and we can never be in that state. Remove useless code. Signed-off-by: Vlad Yasevich Signed-off-by: Wei Yongjun Signed-off-by: David S. Miller --- diff --git a/include/net/sctp/constants.h b/include/net/sctp/constants.h index deac13dd8d02..942b864f6135 100644 --- a/include/net/sctp/constants.h +++ b/include/net/sctp/constants.h @@ -187,15 +187,14 @@ typedef enum { /* SCTP state defines for internal state machine */ typedef enum { - SCTP_STATE_EMPTY = 0, - SCTP_STATE_CLOSED = 1, - SCTP_STATE_COOKIE_WAIT = 2, - SCTP_STATE_COOKIE_ECHOED = 3, - SCTP_STATE_ESTABLISHED = 4, - SCTP_STATE_SHUTDOWN_PENDING = 5, - SCTP_STATE_SHUTDOWN_SENT = 6, - SCTP_STATE_SHUTDOWN_RECEIVED = 7, - SCTP_STATE_SHUTDOWN_ACK_SENT = 8, + SCTP_STATE_CLOSED = 0, + SCTP_STATE_COOKIE_WAIT = 1, + SCTP_STATE_COOKIE_ECHOED = 2, + SCTP_STATE_ESTABLISHED = 3, + SCTP_STATE_SHUTDOWN_PENDING = 4, + SCTP_STATE_SHUTDOWN_SENT = 5, + SCTP_STATE_SHUTDOWN_RECEIVED = 6, + SCTP_STATE_SHUTDOWN_ACK_SENT = 7, } sctp_state_t; diff --git a/net/sctp/debug.c b/net/sctp/debug.c index bf24fa697de2..ec997cfe0a7e 100644 --- a/net/sctp/debug.c +++ b/net/sctp/debug.c @@ -98,7 +98,6 @@ const char *sctp_cname(const sctp_subtype_t cid) /* These are printable forms of the states. */ const char *const sctp_state_tbl[SCTP_STATE_NUM_STATES] = { - "STATE_EMPTY", "STATE_CLOSED", "STATE_COOKIE_WAIT", "STATE_COOKIE_ECHOED", diff --git a/net/sctp/outqueue.c b/net/sctp/outqueue.c index 7812772dbf74..3e9d8d2bbe71 100644 --- a/net/sctp/outqueue.c +++ b/net/sctp/outqueue.c @@ -320,7 +320,6 @@ int sctp_outq_tail(struct sctp_outq *q, struct sctp_chunk *chunk) * chunk. */ switch (q->asoc->state) { - case SCTP_STATE_EMPTY: case SCTP_STATE_CLOSED: case SCTP_STATE_SHUTDOWN_PENDING: case SCTP_STATE_SHUTDOWN_SENT: diff --git a/net/sctp/sm_statetable.c b/net/sctp/sm_statetable.c index 546d4387fb3c..881196b60a92 100644 --- a/net/sctp/sm_statetable.c +++ b/net/sctp/sm_statetable.c @@ -107,8 +107,6 @@ const sctp_sm_table_entry_t *sctp_sm_lookup_event(sctp_event_t event_type, #define TYPE_SCTP_FUNC(func) {.fn = func, .name = #func} #define TYPE_SCTP_DATA { \ - /* SCTP_STATE_EMPTY */ \ - TYPE_SCTP_FUNC(sctp_sf_ootb), \ /* SCTP_STATE_CLOSED */ \ TYPE_SCTP_FUNC(sctp_sf_ootb), \ /* SCTP_STATE_COOKIE_WAIT */ \ @@ -128,8 +126,6 @@ const sctp_sm_table_entry_t *sctp_sm_lookup_event(sctp_event_t event_type, } /* TYPE_SCTP_DATA */ #define TYPE_SCTP_INIT { \ - /* SCTP_STATE_EMPTY */ \ - TYPE_SCTP_FUNC(sctp_sf_bug), \ /* SCTP_STATE_CLOSED */ \ TYPE_SCTP_FUNC(sctp_sf_do_5_1B_init), \ /* SCTP_STATE_COOKIE_WAIT */ \ @@ -149,8 +145,6 @@ const sctp_sm_table_entry_t *sctp_sm_lookup_event(sctp_event_t event_type, } /* TYPE_SCTP_INIT */ #define TYPE_SCTP_INIT_ACK { \ - /* SCTP_STATE_EMPTY */ \ - TYPE_SCTP_FUNC(sctp_sf_ootb), \ /* SCTP_STATE_CLOSED */ \ TYPE_SCTP_FUNC(sctp_sf_do_5_2_3_initack), \ /* SCTP_STATE_COOKIE_WAIT */ \ @@ -170,8 +164,6 @@ const sctp_sm_table_entry_t *sctp_sm_lookup_event(sctp_event_t event_type, } /* TYPE_SCTP_INIT_ACK */ #define TYPE_SCTP_SACK { \ - /* SCTP_STATE_EMPTY */ \ - TYPE_SCTP_FUNC(sctp_sf_ootb), \ /* SCTP_STATE_CLOSED */ \ TYPE_SCTP_FUNC(sctp_sf_ootb), \ /* SCTP_STATE_COOKIE_WAIT */ \ @@ -191,8 +183,6 @@ const sctp_sm_table_entry_t *sctp_sm_lookup_event(sctp_event_t event_type, } /* TYPE_SCTP_SACK */ #define TYPE_SCTP_HEARTBEAT { \ - /* SCTP_STATE_EMPTY */ \ - TYPE_SCTP_FUNC(sctp_sf_ootb), \ /* SCTP_STATE_CLOSED */ \ TYPE_SCTP_FUNC(sctp_sf_ootb), \ /* SCTP_STATE_COOKIE_WAIT */ \ @@ -213,8 +203,6 @@ const sctp_sm_table_entry_t *sctp_sm_lookup_event(sctp_event_t event_type, } /* TYPE_SCTP_HEARTBEAT */ #define TYPE_SCTP_HEARTBEAT_ACK { \ - /* SCTP_STATE_EMPTY */ \ - TYPE_SCTP_FUNC(sctp_sf_ootb), \ /* SCTP_STATE_CLOSED */ \ TYPE_SCTP_FUNC(sctp_sf_ootb), \ /* SCTP_STATE_COOKIE_WAIT */ \ @@ -234,8 +222,6 @@ const sctp_sm_table_entry_t *sctp_sm_lookup_event(sctp_event_t event_type, } /* TYPE_SCTP_HEARTBEAT_ACK */ #define TYPE_SCTP_ABORT { \ - /* SCTP_STATE_EMPTY */ \ - TYPE_SCTP_FUNC(sctp_sf_ootb), \ /* SCTP_STATE_CLOSED */ \ TYPE_SCTP_FUNC(sctp_sf_pdiscard), \ /* SCTP_STATE_COOKIE_WAIT */ \ @@ -255,8 +241,6 @@ const sctp_sm_table_entry_t *sctp_sm_lookup_event(sctp_event_t event_type, } /* TYPE_SCTP_ABORT */ #define TYPE_SCTP_SHUTDOWN { \ - /* SCTP_STATE_EMPTY */ \ - TYPE_SCTP_FUNC(sctp_sf_ootb), \ /* SCTP_STATE_CLOSED */ \ TYPE_SCTP_FUNC(sctp_sf_ootb), \ /* SCTP_STATE_COOKIE_WAIT */ \ @@ -276,8 +260,6 @@ const sctp_sm_table_entry_t *sctp_sm_lookup_event(sctp_event_t event_type, } /* TYPE_SCTP_SHUTDOWN */ #define TYPE_SCTP_SHUTDOWN_ACK { \ - /* SCTP_STATE_EMPTY */ \ - TYPE_SCTP_FUNC(sctp_sf_ootb), \ /* SCTP_STATE_CLOSED */ \ TYPE_SCTP_FUNC(sctp_sf_ootb), \ /* SCTP_STATE_COOKIE_WAIT */ \ @@ -297,8 +279,6 @@ const sctp_sm_table_entry_t *sctp_sm_lookup_event(sctp_event_t event_type, } /* TYPE_SCTP_SHUTDOWN_ACK */ #define TYPE_SCTP_ERROR { \ - /* SCTP_STATE_EMPTY */ \ - TYPE_SCTP_FUNC(sctp_sf_ootb), \ /* SCTP_STATE_CLOSED */ \ TYPE_SCTP_FUNC(sctp_sf_ootb), \ /* SCTP_STATE_COOKIE_WAIT */ \ @@ -318,8 +298,6 @@ const sctp_sm_table_entry_t *sctp_sm_lookup_event(sctp_event_t event_type, } /* TYPE_SCTP_ERROR */ #define TYPE_SCTP_COOKIE_ECHO { \ - /* SCTP_STATE_EMPTY */ \ - TYPE_SCTP_FUNC(sctp_sf_bug), \ /* SCTP_STATE_CLOSED */ \ TYPE_SCTP_FUNC(sctp_sf_do_5_1D_ce), \ /* SCTP_STATE_COOKIE_WAIT */ \ @@ -339,8 +317,6 @@ const sctp_sm_table_entry_t *sctp_sm_lookup_event(sctp_event_t event_type, } /* TYPE_SCTP_COOKIE_ECHO */ #define TYPE_SCTP_COOKIE_ACK { \ - /* SCTP_STATE_EMPTY */ \ - TYPE_SCTP_FUNC(sctp_sf_ootb), \ /* SCTP_STATE_CLOSED */ \ TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ /* SCTP_STATE_COOKIE_WAIT */ \ @@ -360,8 +336,6 @@ const sctp_sm_table_entry_t *sctp_sm_lookup_event(sctp_event_t event_type, } /* TYPE_SCTP_COOKIE_ACK */ #define TYPE_SCTP_ECN_ECNE { \ - /* SCTP_STATE_EMPTY */ \ - TYPE_SCTP_FUNC(sctp_sf_ootb), \ /* SCTP_STATE_CLOSED */ \ TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ /* SCTP_STATE_COOKIE_WAIT */ \ @@ -381,8 +355,6 @@ const sctp_sm_table_entry_t *sctp_sm_lookup_event(sctp_event_t event_type, } /* TYPE_SCTP_ECN_ECNE */ #define TYPE_SCTP_ECN_CWR { \ - /* SCTP_STATE_EMPTY */ \ - TYPE_SCTP_FUNC(sctp_sf_ootb), \ /* SCTP_STATE_CLOSED */ \ TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ /* SCTP_STATE_COOKIE_WAIT */ \ @@ -402,8 +374,6 @@ const sctp_sm_table_entry_t *sctp_sm_lookup_event(sctp_event_t event_type, } /* TYPE_SCTP_ECN_CWR */ #define TYPE_SCTP_SHUTDOWN_COMPLETE { \ - /* SCTP_STATE_EMPTY */ \ - TYPE_SCTP_FUNC(sctp_sf_ootb), \ /* SCTP_STATE_CLOSED */ \ TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ /* SCTP_STATE_COOKIE_WAIT */ \ @@ -446,8 +416,6 @@ static const sctp_sm_table_entry_t chunk_event_table[SCTP_NUM_BASE_CHUNK_TYPES][ }; /* state_fn_t chunk_event_table[][] */ #define TYPE_SCTP_ASCONF { \ - /* SCTP_STATE_EMPTY */ \ - TYPE_SCTP_FUNC(sctp_sf_ootb), \ /* SCTP_STATE_CLOSED */ \ TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ /* SCTP_STATE_COOKIE_WAIT */ \ @@ -467,8 +435,6 @@ static const sctp_sm_table_entry_t chunk_event_table[SCTP_NUM_BASE_CHUNK_TYPES][ } /* TYPE_SCTP_ASCONF */ #define TYPE_SCTP_ASCONF_ACK { \ - /* SCTP_STATE_EMPTY */ \ - TYPE_SCTP_FUNC(sctp_sf_ootb), \ /* SCTP_STATE_CLOSED */ \ TYPE_SCTP_FUNC(sctp_sf_discard_chunk), \ /* SCTP_STATE_COOKIE_WAIT */ \ @@ -496,8 +462,6 @@ static const sctp_sm_table_entry_t addip_chunk_event_table[SCTP_NUM_ADDIP_CHUNK_ }; /*state_fn_t addip_chunk_event_table[][] */ #define TYPE_SCTP_FWD_TSN { \ - /* SCTP_STATE_EMPTY */ \ - TYPE_SCTP_FUNC(sctp_sf_ootb), \ /* SCTP_STATE_CLOSED */ \ TYPE_SCTP_FUNC(sctp_sf_ootb), \ /* SCTP_STATE_COOKIE_WAIT */ \ @@ -524,8 +488,6 @@ static const sctp_sm_table_entry_t prsctp_chunk_event_table[SCTP_NUM_PRSCTP_CHUN }; /*state_fn_t prsctp_chunk_event_table[][] */ #define TYPE_SCTP_AUTH { \ - /* SCTP_STATE_EMPTY */ \ - TYPE_SCTP_FUNC(sctp_sf_ootb), \ /* SCTP_STATE_CLOSED */ \ TYPE_SCTP_FUNC(sctp_sf_ootb), \ /* SCTP_STATE_COOKIE_WAIT */ \ @@ -553,8 +515,6 @@ static const sctp_sm_table_entry_t auth_chunk_event_table[SCTP_NUM_AUTH_CHUNK_TY static const sctp_sm_table_entry_t chunk_event_table_unknown[SCTP_STATE_NUM_STATES] = { - /* SCTP_STATE_EMPTY */ - TYPE_SCTP_FUNC(sctp_sf_ootb), /* SCTP_STATE_CLOSED */ TYPE_SCTP_FUNC(sctp_sf_ootb), /* SCTP_STATE_COOKIE_WAIT */ @@ -575,8 +535,6 @@ chunk_event_table_unknown[SCTP_STATE_NUM_STATES] = { #define TYPE_SCTP_PRIMITIVE_ASSOCIATE { \ - /* SCTP_STATE_EMPTY */ \ - TYPE_SCTP_FUNC(sctp_sf_bug), \ /* SCTP_STATE_CLOSED */ \ TYPE_SCTP_FUNC(sctp_sf_do_prm_asoc), \ /* SCTP_STATE_COOKIE_WAIT */ \ @@ -596,8 +554,6 @@ chunk_event_table_unknown[SCTP_STATE_NUM_STATES] = { } /* TYPE_SCTP_PRIMITIVE_ASSOCIATE */ #define TYPE_SCTP_PRIMITIVE_SHUTDOWN { \ - /* SCTP_STATE_EMPTY */ \ - TYPE_SCTP_FUNC(sctp_sf_bug), \ /* SCTP_STATE_CLOSED */ \ TYPE_SCTP_FUNC(sctp_sf_error_closed), \ /* SCTP_STATE_COOKIE_WAIT */ \ @@ -617,8 +573,6 @@ chunk_event_table_unknown[SCTP_STATE_NUM_STATES] = { } /* TYPE_SCTP_PRIMITIVE_SHUTDOWN */ #define TYPE_SCTP_PRIMITIVE_ABORT { \ - /* SCTP_STATE_EMPTY */ \ - TYPE_SCTP_FUNC(sctp_sf_bug), \ /* SCTP_STATE_CLOSED */ \ TYPE_SCTP_FUNC(sctp_sf_error_closed), \ /* SCTP_STATE_COOKIE_WAIT */ \ @@ -638,8 +592,6 @@ chunk_event_table_unknown[SCTP_STATE_NUM_STATES] = { } /* TYPE_SCTP_PRIMITIVE_ABORT */ #define TYPE_SCTP_PRIMITIVE_SEND { \ - /* SCTP_STATE_EMPTY */ \ - TYPE_SCTP_FUNC(sctp_sf_bug), \ /* SCTP_STATE_CLOSED */ \ TYPE_SCTP_FUNC(sctp_sf_error_closed), \ /* SCTP_STATE_COOKIE_WAIT */ \ @@ -659,8 +611,6 @@ chunk_event_table_unknown[SCTP_STATE_NUM_STATES] = { } /* TYPE_SCTP_PRIMITIVE_SEND */ #define TYPE_SCTP_PRIMITIVE_REQUESTHEARTBEAT { \ - /* SCTP_STATE_EMPTY */ \ - TYPE_SCTP_FUNC(sctp_sf_bug), \ /* SCTP_STATE_CLOSED */ \ TYPE_SCTP_FUNC(sctp_sf_error_closed), \ /* SCTP_STATE_COOKIE_WAIT */ \ @@ -680,8 +630,6 @@ chunk_event_table_unknown[SCTP_STATE_NUM_STATES] = { } /* TYPE_SCTP_PRIMITIVE_REQUESTHEARTBEAT */ #define TYPE_SCTP_PRIMITIVE_ASCONF { \ - /* SCTP_STATE_EMPTY */ \ - TYPE_SCTP_FUNC(sctp_sf_bug), \ /* SCTP_STATE_CLOSED */ \ TYPE_SCTP_FUNC(sctp_sf_error_closed), \ /* SCTP_STATE_COOKIE_WAIT */ \ @@ -713,8 +661,6 @@ static const sctp_sm_table_entry_t primitive_event_table[SCTP_NUM_PRIMITIVE_TYPE }; #define TYPE_SCTP_OTHER_NO_PENDING_TSN { \ - /* SCTP_STATE_EMPTY */ \ - TYPE_SCTP_FUNC(sctp_sf_bug), \ /* SCTP_STATE_CLOSED */ \ TYPE_SCTP_FUNC(sctp_sf_ignore_other), \ /* SCTP_STATE_COOKIE_WAIT */ \ @@ -734,8 +680,6 @@ static const sctp_sm_table_entry_t primitive_event_table[SCTP_NUM_PRIMITIVE_TYPE } #define TYPE_SCTP_OTHER_ICMP_PROTO_UNREACH { \ - /* SCTP_STATE_EMPTY */ \ - TYPE_SCTP_FUNC(sctp_sf_bug), \ /* SCTP_STATE_CLOSED */ \ TYPE_SCTP_FUNC(sctp_sf_ignore_other), \ /* SCTP_STATE_COOKIE_WAIT */ \ @@ -760,8 +704,6 @@ static const sctp_sm_table_entry_t other_event_table[SCTP_NUM_OTHER_TYPES][SCTP_ }; #define TYPE_SCTP_EVENT_TIMEOUT_NONE { \ - /* SCTP_STATE_EMPTY */ \ - TYPE_SCTP_FUNC(sctp_sf_bug), \ /* SCTP_STATE_CLOSED */ \ TYPE_SCTP_FUNC(sctp_sf_bug), \ /* SCTP_STATE_COOKIE_WAIT */ \ @@ -781,8 +723,6 @@ static const sctp_sm_table_entry_t other_event_table[SCTP_NUM_OTHER_TYPES][SCTP_ } #define TYPE_SCTP_EVENT_TIMEOUT_T1_COOKIE { \ - /* SCTP_STATE_EMPTY */ \ - TYPE_SCTP_FUNC(sctp_sf_bug), \ /* SCTP_STATE_CLOSED */ \ TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ /* SCTP_STATE_COOKIE_WAIT */ \ @@ -802,8 +742,6 @@ static const sctp_sm_table_entry_t other_event_table[SCTP_NUM_OTHER_TYPES][SCTP_ } #define TYPE_SCTP_EVENT_TIMEOUT_T1_INIT { \ - /* SCTP_STATE_EMPTY */ \ - TYPE_SCTP_FUNC(sctp_sf_bug), \ /* SCTP_STATE_CLOSED */ \ TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ /* SCTP_STATE_COOKIE_WAIT */ \ @@ -823,8 +761,6 @@ static const sctp_sm_table_entry_t other_event_table[SCTP_NUM_OTHER_TYPES][SCTP_ } #define TYPE_SCTP_EVENT_TIMEOUT_T2_SHUTDOWN { \ - /* SCTP_STATE_EMPTY */ \ - TYPE_SCTP_FUNC(sctp_sf_bug), \ /* SCTP_STATE_CLOSED */ \ TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ /* SCTP_STATE_COOKIE_WAIT */ \ @@ -844,8 +780,6 @@ static const sctp_sm_table_entry_t other_event_table[SCTP_NUM_OTHER_TYPES][SCTP_ } #define TYPE_SCTP_EVENT_TIMEOUT_T3_RTX { \ - /* SCTP_STATE_EMPTY */ \ - TYPE_SCTP_FUNC(sctp_sf_bug), \ /* SCTP_STATE_CLOSED */ \ TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ /* SCTP_STATE_COOKIE_WAIT */ \ @@ -865,8 +799,6 @@ static const sctp_sm_table_entry_t other_event_table[SCTP_NUM_OTHER_TYPES][SCTP_ } #define TYPE_SCTP_EVENT_TIMEOUT_T4_RTO { \ - /* SCTP_STATE_EMPTY */ \ - TYPE_SCTP_FUNC(sctp_sf_bug), \ /* SCTP_STATE_CLOSED */ \ TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ /* SCTP_STATE_COOKIE_WAIT */ \ @@ -886,8 +818,6 @@ static const sctp_sm_table_entry_t other_event_table[SCTP_NUM_OTHER_TYPES][SCTP_ } #define TYPE_SCTP_EVENT_TIMEOUT_T5_SHUTDOWN_GUARD { \ - /* SCTP_STATE_EMPTY */ \ - TYPE_SCTP_FUNC(sctp_sf_bug), \ /* SCTP_STATE_CLOSED */ \ TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ /* SCTP_STATE_COOKIE_WAIT */ \ @@ -907,8 +837,6 @@ static const sctp_sm_table_entry_t other_event_table[SCTP_NUM_OTHER_TYPES][SCTP_ } #define TYPE_SCTP_EVENT_TIMEOUT_HEARTBEAT { \ - /* SCTP_STATE_EMPTY */ \ - TYPE_SCTP_FUNC(sctp_sf_bug), \ /* SCTP_STATE_CLOSED */ \ TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ /* SCTP_STATE_COOKIE_WAIT */ \ @@ -928,8 +856,6 @@ static const sctp_sm_table_entry_t other_event_table[SCTP_NUM_OTHER_TYPES][SCTP_ } #define TYPE_SCTP_EVENT_TIMEOUT_SACK { \ - /* SCTP_STATE_EMPTY */ \ - TYPE_SCTP_FUNC(sctp_sf_bug), \ /* SCTP_STATE_CLOSED */ \ TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ /* SCTP_STATE_COOKIE_WAIT */ \ @@ -949,8 +875,6 @@ static const sctp_sm_table_entry_t other_event_table[SCTP_NUM_OTHER_TYPES][SCTP_ } #define TYPE_SCTP_EVENT_TIMEOUT_AUTOCLOSE { \ - /* SCTP_STATE_EMPTY */ \ - TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ /* SCTP_STATE_CLOSED */ \ TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ /* SCTP_STATE_COOKIE_WAIT */ \