spelling fixes in comments

Change-Id: I4ecd9a1c5241cfd3a3e1daf05f7826876371369f

src/ipa.c

@@ -135,7 +135,7 @@ static struct osmo_ss7_as *find_as_for_asp(struct osmo_ss7_asp *asp)
 {
 	struct osmo_ss7_as *as;
 
-	/* in the IPA case, weassume there is a 1:1 mapping between the
+	/* in the IPA case, we assume there is a 1:1 mapping between the
 	 * ASP and the AS.  An AS without ASP means there is no
 	 * connection, and an ASP without AS means that we don't (yet?)
 	 * know the identity of the peer */
@@ -301,7 +301,7 @@ int ipa_rx_msg(struct osmo_ss7_asp *asp, struct msgb *msg)
 	OSMO_ASSERT(asp->cfg.proto == OSMO_SS7_ASP_PROT_IPA);
 
 	/* osmo_ipa_process_msg() will already have verified length
-	 * consistency and set up l2h poiter */
+	 * consistency and set up l2h pointer */
 	hh = (struct ipaccess_head *) msg->l1h;
 
 	switch (hh->proto) {

src/m3ua.c

@@ -449,7 +449,7 @@ int m3ua_decode_notify(struct osmo_xlm_prim_notify *npar, void *ctx,
 }
 
 /***********************************************************************
- * Transmitting M3UA messsages to SCTP
+ * Transmitting M3UA messages to SCTP
  ***********************************************************************/
 
 /* Convert M3UA from xua_msg to msgb and set PPID/stream */
@@ -512,7 +512,7 @@ int m3ua_tx_xua_as(struct osmo_ss7_as *as, struct xua_msg *xua)
 }
 
 /***********************************************************************
- * Receiving M3UA messsages from SCTP
+ * Receiving M3UA messages from SCTP
  ***********************************************************************/
 
 /* obtain the destination point code from a M3UA message in XUA fmt * */
@@ -694,7 +694,7 @@ int m3ua_rx_msg(struct osmo_ss7_asp *asp, struct msgb *msg)
 	OSMO_ASSERT(asp->cfg.proto == OSMO_SS7_ASP_PROT_M3UA);
 
 	/* caller owns msg memory, we shall neither free it here nor
-	 * keep references beyond the executin of this function and its
+	 * keep references beyond the execution of this function and its
 	 * callees */
 
 	xua = xua_from_msg(M3UA_VERSION, msgb_length(msg), msgb_data(msg));

src/osmo_ss7.c

@@ -615,7 +615,7 @@ osmo_ss7_linkset_find_or_create(struct osmo_ss7_instance *inst, const char *name
  * SS7 Link
  ***********************************************************************/
 
-/*! \brief Destryo SS7 Link
+/*! \brief Destroy SS7 Link
  *  \param[in] link SS7 Link to be destroyed */
 void osmo_ss7_link_destroy(struct osmo_ss7_link *link)
 {
@@ -999,7 +999,7 @@ struct osmo_ss7_as *osmo_ss7_as_find_by_proto(struct osmo_ss7_instance *inst,
  *  \param[in] inst SS7 Instance on which we operate
  *  \param[in] name Name of Application Server
  *  \param[in] proto Protocol of Application Server
- *  \returns pointer to Application Server on suuccess; NULL otherwise */
+ *  \returns pointer to Application Server on success; NULL otherwise */
 struct osmo_ss7_as *
 osmo_ss7_as_find_or_create(struct osmo_ss7_instance *inst, const char *name,
 			   enum osmo_ss7_asp_protocol proto)
@@ -1201,7 +1201,7 @@ int osmo_ss7_asp_peer_snprintf(char* buf, size_t buf_len, struct osmo_ss7_asp_pe
  *  \param[in] talloc_ctx talloc context used to allocate new addresses.
  *  \param[in] hosts Array of strings containing IP addresses.
  *  \param[in] host_cnt Number of strings in hosts
- *  \returns 0 on success; negtive otherwise */
+ *  \returns 0 on success; negative otherwise */
 int osmo_ss7_asp_peer_set_hosts(struct osmo_ss7_asp_peer *peer, void *talloc_ctx, const char* const* hosts, size_t host_cnt)
 {
 	int i = 0;
@@ -1231,7 +1231,7 @@ static inline bool host_is_ip_anyaddr(const char *host, bool is_v6)
 }
 
 /*! \brief Append (copy) address to a given ASP peer. Previous addresses are kept.
- *  \param[in] peer Application Server Process peer the address is appened to.
+ *  \param[in] peer Application Server Process peer the address is appended to.
  *  \param[in] talloc_ctx talloc context used to allocate new address.
  *  \param[in] host string containing an IP addresses.
  *  \returns 0 on success; negative otherwise */

src/sccp_sclc.c

@@ -36,7 +36,7 @@
  * However, all SCCP features can be expressed in SUA.
  *
  * The code only supports Class 2.  No support for Class 3 is intended,
- * but patches are of course alwys welcome.
+ * but patches are of course always welcome.
  *
  * Missing other features:
  *  * Segmentation/Reassembly support
@@ -119,7 +119,7 @@ static int xua_gen_encode_and_send(struct osmo_sccp_user *scu, uint32_t event,
  * The caller is required to free oph->msg, otherwise the same as sccp_sclc_user_sap_down().
  *  \param[in] scu SCCP User who is sending the primitive
  *  \param[on] oph Osmocom primitive header of the primitive
- *  \returns 0 on success; negtive in case of error */
+ *  \returns 0 on success; negative in case of error */
 int sccp_sclc_user_sap_down_nofree(struct osmo_sccp_user *scu, struct osmo_prim_hdr *oph)
 {
 	struct osmo_scu_prim *prim = (struct osmo_scu_prim *) oph;
@@ -143,7 +143,7 @@ int sccp_sclc_user_sap_down_nofree(struct osmo_sccp_user *scu, struct osmo_prim_
  * Implies a msgb_free(oph->msg), otherwise the same as sccp_sclc_user_sap_down_nofree().
  *  \param[in] scu SCCP User who is sending the primitive
  *  \param[on] oph Osmocom primitive header of the primitive
- *  \returns 0 on success; negtive in case of error */
+ *  \returns 0 on success; negative in case of error */
 int sccp_sclc_user_sap_down(struct osmo_sccp_user *scu, struct osmo_prim_hdr *oph)
 {
 	struct osmo_scu_prim *prim = (struct osmo_scu_prim *) oph;

src/sccp_scoc.c

@@ -36,7 +36,7 @@
  * However, all SCCP features can be expressed in SUA.
  *
  * The code only supports Class 2.  No support for Class 3 is intended,
- * but patches are of course alwys welcome.
+ * but patches are of course always welcome.
  *
  * Missing other features:
  *  * Segmentation/Reassembly support
@@ -80,7 +80,7 @@ struct sccp_connection {
 	/* remote point code */
 	uint32_t remote_pc;
 
-	/* local/remote addresses and identiies */
+	/* local/remote addresses and identities */
 	struct osmo_sccp_addr calling_addr;
 	struct osmo_sccp_addr called_addr;
 	/* SCCP connection identifier. Only relevant across the SCCP User SAP,
@@ -90,7 +90,7 @@ struct sccp_connection {
 	/* SCCP Remote Connection Reference.  Allocated by the remote
 	 * SCCP stack to uniquely identify a SCCP connection on its end.
 	 * We don't interpret it, but simply cache it here so we can use
-	 * it whever sending data to the peer. Only relevant over the
+	 * it whenever sending data to the peer. Only relevant over the
 	 * wire, not to be used across the SCCP user SAP */
 	uint32_t remote_ref;
 
@@ -1521,7 +1521,7 @@ static void tx_rlsd_from_xua_twoway(struct sccp_connection *conn,
 	xua_msg_free(xua);
 }
 
-/* process received message for unasigned local reference */
+/* process received message for unassigned local reference */
 static void sccp_scoc_rx_unass_local_ref(struct osmo_sccp_instance *inst,
 					 struct xua_msg *xua)
 {
@@ -1631,7 +1631,7 @@ void sccp_scoc_rx_from_scrc(struct osmo_sccp_instance *inst,
 	/* we basically try to convert the SUA message into an event,
 	 * and then dispatch the event to the connection-specific FSM.
 	 * If it is a CORE (Connect REquest), we create the connection
-	 * (and imlpicitly its FSM) first */
+	 * (and implicitly its FSM) first */
 
 	if (xua->hdr.msg_type == SUA_CO_CORE) {
 		scu = sccp_find_user(inst, xua);

src/sccp_scrc.c

@@ -85,7 +85,7 @@ static int sua2sccp_tx_m3ua(struct osmo_sccp_instance *inst,
 		return -1;
 	}
 
-	/* 2) wrap into MTP-TRANSFER.req primtiive */
+	/* 2) wrap into MTP-TRANSFER.req primitive */
 	msg->l2h = msg->data;
 	omp = (struct osmo_mtp_prim *) msgb_push(msg, sizeof(*omp));
 	osmo_prim_init(&omp->oph, MTP_SAP_USER,
@@ -109,7 +109,7 @@ static int sua2sccp_tx_m3ua(struct osmo_sccp_instance *inst,
 	return osmo_ss7_user_mtp_xfer_req(s7i, omp);
 }
 
-/* Gererate MTP-TRANSFER.req from xUA message */
+/* Generate MTP-TRANSFER.req from xUA message */
 static int gen_mtp_transfer_req_xua(struct osmo_sccp_instance *inst,
 				    struct xua_msg *xua,
 				    const struct osmo_sccp_addr *called)
@@ -230,7 +230,7 @@ static int scrc_node_7(struct osmo_sccp_instance *inst,
 	/* Connection Oriented? */
 	if (sua_is_connectionless(xua)) {
 		/* TODO: Perform Capability Test */
-		/* TODO: Canges Needed? */
+		/* TODO: Changes Needed? */
 		if (0) {
 			/* Changes Needed -> SCLC */
 			return 0;