FreeCalypso > hg > fc-magnetite
view src/g23m-gprs/llc/llc_itxf.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 | 219afcfc6250 |
children |
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/* +----------------------------------------------------------------------------- | Project : | Modul : +----------------------------------------------------------------------------- | Copyright 2002 Texas Instruments Berlin, AG | All rights reserved. | | This file is confidential and a trade secret of Texas | Instruments Berlin, AG | The receipt of or possession of this file does not convey | any rights to reproduce or disclose its contents or to | manufacture, use, or sell anything it may describe, in | whole, or in part, without the specific written consent of | Texas Instruments Berlin, AG. +----------------------------------------------------------------------------- | Purpose : Definitions for llc_itxf.c +----------------------------------------------------------------------------- */ #ifndef LLC_ITXF_H #define LLC_ITXF_H EXTERN void itx_init (void); EXTERN void itx_init_sapi (void); EXTERN void itx_send_next_frame (T_ABIT_REQ_TYPE req); EXTERN void itx_i_queue_clean (void); EXTERN void itx_i_queue_store ( #ifdef LL_DESC T_LL_DESC_REQ*, BOOL *store_failed #else T_LL_DATA_REQ*, BOOL *store_failed #endif ); EXTERN void itx_i_queue_set_status (T_IQ_STATUS status, T_FRAME_NUM num); #ifdef LL_2to1 EXTERN void itx_i_queue_get_ready (BOOL* found, T_LL_reference1* reference, UBYTE state); #else EXTERN void itx_i_queue_get_ready (BOOL* found, T_reference1* reference, UBYTE state); #endif #ifdef LL_2to1 EXTERN void itx_send_ll_data_cnf (T_LL_reference1* reference); #else EXTERN void itx_send_ll_data_cnf (T_reference1* reference); #endif EXTERN void itx_handle_ll_ready_ind(BOOL data_send); EXTERN void itx_s_queue_store (T_COMMAND, T_ABIT_REQ_TYPE, T_FRAME_NUM nr, T_SACK_BITMAP*); EXTERN void itx_s_queue_clean (void); #endif /* !LLC_ITXF_H */