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Cleanup the open/close handling to avoid accessing

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unallocated memory (in the atexit handler) in case of bailing out.



git-svn-id: svn://svn.savannah.nongnu.org/avrdude/trunk/avrdude@910 81a1dc3b-b13d-400b-aceb-764788c761c2
This commit is contained in:
joerg_wunsch
2010-01-13 12:44:54 +00:00
parent 3e2e779436
commit 1429550f8e
4 changed files with 41 additions and 13 deletions
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35
stk500v2.c
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@@ -271,6 +271,7 @@ static int stk500v2_set_sck_period_mk2(PROGRAMMER * pgm, double v);
static int stk600_set_sck_period(PROGRAMMER * pgm, double v);
static void stk600_setup_xprog(PROGRAMMER * pgm);
static void stk600_setup_isp(PROGRAMMER * pgm);
static int stk600_xprog_program_enable(PROGRAMMER * pgm, AVRPART * p);
static void stk500v2_setup(PROGRAMMER * pgm)
@@ -1056,13 +1057,17 @@ static int stk500hvsp_program_enable(PROGRAMMER * pgm, AVRPART * p)
static int stk500v2_initialize(PROGRAMMER * pgm, AVRPART * p)
{
if ((PDATA(pgm)->pgmtype == PGMTYPE_STK600 || PDATA(pgm)->pgmtype == PGMTYPE_AVRISP_MKII) != 0
if ((PDATA(pgm)->pgmtype == PGMTYPE_STK600 ||
PDATA(pgm)->pgmtype == PGMTYPE_AVRISP_MKII ||
PDATA(pgm)->pgmtype == PGMTYPE_JTAGICE_MKII) != 0
&& (p->flags & AVRPART_HAS_PDI) != 0) {
/*
* This is an ATxmega device, must use XPROG protocol for the
* remaining actions.
*/
stk600_setup_xprog(pgm);
} else {
stk600_setup_isp(pgm);
}
return pgm->program_enable(pgm, p);
@@ -2783,9 +2788,8 @@ static int stk500v2_jtagmkII_open(PROGRAMMER * pgm, char * port)
if (jtagmkII_getsync(pgm, EMULATOR_MODE_SPI) != 0) {
fprintf(stderr, "%s: failed to sync with the JTAG ICE mkII in ISP mode\n",
progname);
pgm->close(pgm); /* sign off correctly */
pgm->cookie = mycookie;
exit(1);
return -1;
}
pgm->cookie = mycookie;
@@ -2870,11 +2874,10 @@ static int stk500v2_dragon_isp_open(PROGRAMMER * pgm, char * port)
mycookie = pgm->cookie;
pgm->cookie = PDATA(pgm)->chained_pdata;
if (jtagmkII_getsync(pgm, EMULATOR_MODE_SPI) != 0) {
fprintf(stderr, "%s: failed to sync with the JTAG ICE mkII in ISP mode\n",
fprintf(stderr, "%s: failed to sync with the AVR Dragon in ISP mode\n",
progname);
pgm->close(pgm); /* sign off correctly */
pgm->cookie = mycookie;
exit(1);
return -1;
}
pgm->cookie = mycookie;
@@ -2942,11 +2945,10 @@ static int stk500v2_dragon_hv_open(PROGRAMMER * pgm, char * port)
mycookie = pgm->cookie;
pgm->cookie = PDATA(pgm)->chained_pdata;
if (jtagmkII_getsync(pgm, EMULATOR_MODE_HV) != 0) {
fprintf(stderr, "%s: failed to sync with the JTAG ICE mkII in HV mode\n",
fprintf(stderr, "%s: failed to sync with the AVR Dragon in HV mode\n",
progname);
pgm->close(pgm); /* sign off correctly */
pgm->cookie = mycookie;
exit(1);
return -1;
}
pgm->cookie = mycookie;
@@ -3446,6 +3448,21 @@ static void stk600_setup_xprog(PROGRAMMER * pgm)
}
/*
* Modify pgm's methods for ISP operation.
*/
static void stk600_setup_isp(PROGRAMMER * pgm)
{
pgm->program_enable = stk500v2_program_enable;
pgm->disable = stk500v2_disable;
pgm->read_byte = avr_read_byte_default;
pgm->write_byte = avr_write_byte_default;
pgm->paged_load = stk500v2_paged_load;
pgm->paged_write = stk500v2_paged_write;
pgm->chip_erase = stk500v2_chip_erase;
}
void stk500v2_initpgm(PROGRAMMER * pgm)
{
strcpy(pgm->type, "STK500V2");