annotate src/g23m-aci/aci/cmh_uart.h @ 516:1ed9de6c90bd

src/g23m-gsm/sms/sms_for.c: bogus malloc removed The new error handling code that was not present in TCS211 blob version contains a malloc call that is bogus for 3 reasons: 1) The memory allocation in question is not needed in the first place; 2) libc malloc is used instead of one of the firmware's proper ways; 3) The memory allocation is made inside a function and then never freed, i.e., a memory leak. This bug was caught in gcc-built FreeCalypso fw projects (Citrine and Selenite) because our gcc environment does not allow any use of libc malloc (any reference to malloc produces a link failure), but this code from TCS3.2 is wrong even for Magnetite: if this code path is executed repeatedly over a long time, the many small allocations made by this malloc call without a subsequent free will eventually exhaust the malloc heap provided by the TMS470 environment, malloc will start returning NULL, and the bogus code will treat it as an error. Because the memory allocation in question is not needed at all, the fix entails simply removing it.
author Mychaela Falconia <falcon@freecalypso.org>
date Sun, 22 Jul 2018 06:04:49 +0000
parents 53929b40109c
children
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1 /*
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2 +-----------------------------------------------------------------------------
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3 | Project : GSM-PS (6147)
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4 | Modul : CMH_UART
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5 +-----------------------------------------------------------------------------
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6 | Copyright 2002 Texas Instruments Berlin, AG
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7 | All rights reserved.
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8 |
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9 | This file is confidential and a trade secret of Texas
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10 | Instruments Berlin, AG
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11 | The receipt of or possession of this file does not convey
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12 | any rights to reproduce or disclose its contents or to
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13 | manufacture, use, or sell anything it may describe, in
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14 | whole, or in part, without the specific written consent of
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15 | Texas Instruments Berlin, AG.
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16 +-----------------------------------------------------------------------------
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17 | Purpose :
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18 +-----------------------------------------------------------------------------
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19 */
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20
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21 #ifndef CMH_UART_H
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22 #define CMH_UART_H
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23
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24
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25 EXTERN T_ACI_LIST *uart_src_params;
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26 EXTERN T_ACI_LIST *uart_com_par;
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27
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28 /*==== CONSTANTS ==================================================*/
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29 #define NOT_SUPPORTED_UART_IO_PA_MARK 4 /* the UART does not support parity mark directly */
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30
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31 /*==== TYPES ======================================================*/
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32
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33 typedef struct
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34 {
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35 UBYTE *data;
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36 USHORT data_len;
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37 T_ACI_CMD_SRC srcId;
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38 } T_ACI_DTI_SEND;
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39
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40 typedef T_comPar T_ACI_UART_COM_PAR;
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41 typedef struct {
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42 UBYTE device;
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43 T_ACI_UART_COM_PAR comPar;
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44
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45 } T_ACI_DEVICE_ENTRY;
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46
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47
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48
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49 /*==== PROTOTYPES =================================================*/
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50
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51 /*==== EXPORT =====================================================*/
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52 EXTERN void timeout_PlusIPR (void);
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53
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54 EXTERN BOOL cmhUART_CMUX (T_ACI_CMD_SRC srcId);
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55
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56 EXTERN void cmhUART_lst_init (void);
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57 EXTERN BOOL cmhUARTtest_srcId (UBYTE srcId,
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58 void *elem);
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59
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60 EXTERN BOOL cmhUARTtest_device (UBYTE device,
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61 void *elem);
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62
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63 EXTERN T_ACI_DTI_PRC *cmhUART_find_dlci (T_ACI_LIST *search_list,
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64 UBYTE device,
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65 UBYTE dlci );
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66 EXTERN void cmhUART_startConnection (UBYTE srcId,
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67 T_ACI_DEVICE_TYPE device_type);
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68
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69 EXTERN BOOL cmhUART_stopConnection (UBYTE srcId);
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70 EXTERN void cmhUART_getdata ( T_ACI_CMD_SRC srcId );
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71
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72 EXTERN void cmhUART_ParmsUpdated( UBYTE device );
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73 EXTERN void cmhUART_DetectedESC_DTR( UBYTE device, UBYTE dlci, UBYTE cause );
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74 EXTERN void cmhUART_init_ipr_params(void);
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75
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76 /*
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77 * functions for cotroling UART parameters (baud rate, character framing, flow control)
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78 */
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79 EXTERN void cmhUART_AddDeviceToComParameter( UBYTE device );
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80 EXTERN void cmhUART_CleanComParameterList( void );
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81
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82 EXTERN T_ACI_DEVICE_TYPE cmhUART_GetDeviceType( UBYTE srcId );
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83 EXTERN BOOL cmhUART_ChangeDeviceType( UBYTE srcId,
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84 T_ACI_DEVICE_TYPE device_type );
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85 EXTERN T_ACI_DEVICE_ENTRY* cmhUART_GetDeviceParOverDevice( UBYTE device );
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86 EXTERN T_ACI_DEVICE_ENTRY* cmhUART_GetDeviceParOverSrcID( UBYTE srcId );
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87 EXTERN void cmhUART_SetComParToUnchanged( T_comPar *comPar );
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88 EXTERN T_ACI_RETURN cmhUART_SetDataRate ( UBYTE srcId, T_ACI_BD_RATE rate);
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89 EXTERN T_ACI_RETURN cmhUART_SetCharacterFraming ( UBYTE srcId,
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90 T_ACI_BS_FRM format,
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91 T_ACI_BS_PAR parity );
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92 EXTERN T_ACI_RETURN cmhUART_SetFlowControl(UBYTE srcId, T_ACI_RX_FLOW_CTRL DCE_by_DTE);
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93 EXTERN T_ACI_BS_FRM cmhUART_GetFktInterfaceFormat( T_ACI_UART_COM_PAR *comPar );
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94 EXTERN T_ACI_BS_PAR cmhUART_GetFktInterfaceParity( T_ACI_UART_COM_PAR *comPar );
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95
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96 EXTERN UBYTE cmhUART_GetParityOverSrcID( UBYTE srcId );
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97 EXTERN UBYTE cmhUART_GetDataBitOverSrcID( UBYTE srcId );
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98 EXTERN UBYTE cmhUART_GetStopBitOverSrcID( UBYTE srcId );
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99 EXTERN void cmhUART_lst_exit (void);
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100
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101
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102 #ifdef CMH_UARTF_C
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103
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104 GLOBAL T_ACI_AT_CMD uartEntcurCmd[CMD_SRC_MAX];
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105
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106 #else
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107
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108 EXTERN T_ACI_AT_CMD uartEntcurCmd[];
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109
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110 #endif /* CMH_UARTF_C */
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111
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112 #endif /* CMH_UART_H */
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113
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114 /*==== EOF =======================================================*/