@@ -324,7 +324,7 @@ void evt_received(TL_EvtPacket_t *hcievt)
324324 }
325325}
326326
327- /* to send BLE packet to the SharedMem*/
327+ /* to send BLE packet to the SharedMem: return nb of bytes actually written */
328328uint16_t mbox_write (uint8_t type,uint16_t len,const uint8_t *pData)
329329{
330330 TL_CmdPacket_t *bleCmdBuf = &BleCmdBuffer;
@@ -598,8 +598,10 @@ size_t HCISharedMemTransportClass::write(const uint8_t *data, size_t length)
598598if ((data[1 ] ==0x03 ) && (data[2 ] ==0x0C )) {
599599 phase_reset =false ;
600600
601- mbox_write (data[0 ], (length -1 ), msg_data);
602-
601+ if (mbox_write (data[0 ], (length -1 ), msg_data) != (length -1 )) {
602+ /* Error: no data are written*/
603+ return 0 ;
604+ }
603605/* capture event after HCI_RESET*/
604606while (!phase_reset);
605607
@@ -645,7 +647,7 @@ size_t HCISharedMemTransportClass::write(const uint8_t *data, size_t length)
645647
646648return (length -1 );/* mbox_size of the HCI reset command*/
647649 }
648- return 0 ;/* mbox_size of the HCI reset command */
650+ return 0 ;/* Error: no data written */
649651}
650652
651653// private:
@@ -810,7 +812,10 @@ int HCISharedMemTransportClass::bt_ipm_set_addr(void)
810812 data[5 ] =6 ;/* is the length of the bd_addr table*/
811813memcpy (data +6 , bd_addr_udn,6 );
812814/* send the ACI_HAL_WRITE_CONFIG_DATA*/
813- mbox_write (data[0 ],11 , &data[1 ]);
815+ if (mbox_write (data[0 ],11 , &data[1 ]) !=11 ) {
816+ /* Error: no data are written*/
817+ return 0 ;
818+ }
814819/* now wait for the corresponding Rx event*/
815820return 1 ;/* success*/
816821 }
@@ -847,7 +852,10 @@ int HCISharedMemTransportClass::bt_ipm_set_random_addr(void)
847852 data[5 ] =6 ;/* is the length of the random address*/
848853memcpy (data +6 , srd_bd_addr,6 );
849854/* send the ACI_HAL_WRITE_CONFIG_DATA*/
850- mbox_write (data[0 ],11 , &data[1 ]);
855+ if (mbox_write (data[0 ],11 , &data[1 ]) !=11 ) {
856+ /* Error: no data are written*/
857+ return 0 ;
858+ }
851859/* now wait for the corresponding Rx event*/
852860return 1 ;/* success*/
853861}
@@ -869,7 +877,10 @@ int HCISharedMemTransportClass::bt_ipm_set_power(void)
869877 data[5 ] = CFG_TX_POWER;/* PA_level*/
870878
871879/* send the SET_POWER*/
872- mbox_write (data[0 ],5 , &data[1 ]);
880+ if (mbox_write (data[0 ],5 , &data[1 ]) !=5 ) {
881+ /* Error: no data are written*/
882+ return 0 ;
883+ }
873884/* now wait for the corresponding Rx event*/
874885return 1 ;/* success*/
875886}
@@ -887,7 +898,10 @@ int HCISharedMemTransportClass::bt_ipm_gatt_init(void)
887898 data[3 ] =0 ;/* the length*/
888899
889900/* send the GATT_INIT*/
890- mbox_write (data[0 ],3 , &data[1 ]);
901+ if (mbox_write (data[0 ],3 , &data[1 ]) !=3 ) {
902+ /* Error: no data are written*/
903+ return 0 ;
904+ }
891905/* now wait for the corresponding Rx event*/
892906return 1 ;/* success*/
893907}
@@ -910,7 +924,10 @@ int HCISharedMemTransportClass::bt_ipm_gap_init(void)
910924 data[6 ] =0x00 ;/* device_name_char_len*/
911925
912926/* send the GAP_INIT*/
913- mbox_write (data[0 ],6 , &data[1 ]);
927+ if (mbox_write (data[0 ],6 , &data[1 ]) !=6 ) {
928+ /* Error: no data are written*/
929+ return 0 ;
930+ }
914931/* now wait for the corresponding Rx event*/
915932return 1 ;/* success*/
916933}
@@ -934,7 +951,10 @@ int HCISharedMemTransportClass::bt_ipm_get_random_addr(void)
934951 data[4 ] =0x2E ;/* the offset*/
935952
936953/* send the ACI_READ_CONFIG_DATA_OPCODE*/
937- mbox_write (data[0 ],4 , &data[1 ]);
954+ if (mbox_write (data[0 ],4 , &data[1 ]) !=4 ) {
955+ /* Error: no data are written*/
956+ return 0 ;
957+ }
938958/* now wait for the corresponding Rx event*/
939959return 1 ;/* success*/
940960}