FreeCalypso > hg > fc-magnetite
annotate src/g23m-fad/tcpip/include/rv_trace.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> |
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date | Sun, 22 Jul 2018 06:04:49 +0000 |
parents | 90eb61ecd093 |
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rev | line source |
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1 /************************************************************************************* |
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2 * * |
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3 * Name rv_trace.h * |
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4 * * |
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5 * Function this file contains trace definitions for basic layers * |
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6 * * |
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7 * Date Modification * |
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8 * ------------------------ * |
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9 * 10/12/00 - Create Cristian Livadiotti - c-livadiotti@ti.com * |
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10 * * |
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11 * * |
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12 * (C) Copyright 1999 by Texas Instruments Incorporated, All Rights Reserved * |
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13 * * |
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14 * --------------------------------------------------------------------------------- * |
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15 * * |
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16 * History: * |
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17 * * |
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18 * 10/18/2001 - Updated for R2D by Christophe Favergeon * |
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19 * * |
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20 *************************************************************************************/ |
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21 |
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22 #ifndef _RV_TRACE_H_ |
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23 #define _RV_TRACE_H_ |
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24 |
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25 /* Define trace levels. */ |
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26 #define RV_TRACE_LEVEL_ERROR (1) /* Error condition trace messages. */ |
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27 /* Used when an unrecoverable error is found */ |
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28 #define RV_TRACE_LEVEL_WARNING (2) /* Warning condition trace messages. */ |
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29 /* Used when an error is found but is handled properly by the code*/ |
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30 #define RV_TRACE_LEVEL_DEBUG_HIGH (3) /* Debug messages (high debugging). */ |
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31 /* high = important debug message */ |
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32 #define RV_TRACE_LEVEL_DEBUG_MEDIUM (4) /* Debug messages. */ |
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33 #define RV_TRACE_LEVEL_DEBUG_LOW (5) /* Debug messages (low debugging). */ |
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34 /* low = not important debug message */ |
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35 |
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36 /* temporary definition of this old flag for backward compatibility */ |
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37 #define TRACE_RVTEST (0x001E0004) |
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38 |
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39 #endif /* _RV_GENERAL_H_*/ |
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