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bug #26412: avrdude segfaults when called with a programmer that does not

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support it

Do not call pgm->perform_osccal() unless it is != 0.



git-svn-id: svn://svn.savannah.nongnu.org/avrdude/trunk/avrdude@822 81a1dc3b-b13d-400b-aceb-764788c761c2
This commit is contained in:
Joerg Wunsch
2009-07-01 16:08:49 +00:00
parent a5f42858ea
commit d03edbf5ff
3 changed files with 16 additions and 2 deletions
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11
main.c
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@@ -786,8 +786,15 @@ int main(int argc, char * argv [])
* perform an RC oscillator calibration
* as outlined in appnote AVR053
*/
fprintf(stderr, "%s: performing RC oscillator calibration\n", progname);
exitrc = pgm->perform_osccal(pgm);
if (pgm->perform_osccal == 0) {
fprintf(stderr,
"%s: programmer does not support RC oscillator calibration\n",
progname);
exitrc = 1;
} else {
fprintf(stderr, "%s: performing RC oscillator calibration\n", progname);
exitrc = pgm->perform_osccal(pgm);
}
if (exitrc == 0 && quell_progress < 2) {
fprintf(stderr,
"%s: calibration value is now stored in EEPROM at address 0\n",