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Fix handling of SCK parameter table in AVRISP2 

Submitted by Adrian Klieber
patch : Fix some out-of-bounds/uninitialized issues



git-svn-id: svn://svn.savannah.nongnu.org/avrdude/trunk/avrdude@1440 81a1dc3b-b13d-400b-aceb-764788c761c2
This commit is contained in:
Joerg Wunsch 2020-09-16 21:15:30 +00:00
parent acd2aa6417
commit 34a1c8394c
1 changed files with 7 additions and 1 deletions

8
stk500v2.c
View File

@ -2823,11 +2823,17 @@ static int stk500v2_set_sck_period_mk2(PROGRAMMER * pgm, double v)
{
int i;
for (i = 0; i < sizeof(avrispmkIIfreqs); i++) {
for (i = 0; i < sizeof(avrispmkIIfreqs) / sizeof(avrispmkIIfreqs[0]); i++) {
if (1 / avrispmkIIfreqs[i] >= v)
break;
}
if (i >= sizeof(avrispmkIIfreqs) / sizeof(avrispmkIIfreqs[0])) {
avrdude_message(MSG_INFO, "%s: stk500v2_set_sck_period_mk2(): "
"invalid SCK period: %g\n", progname, v);
return -1;
}
avrdude_message(MSG_NOTICE2, "Using p = %.2f us for SCK (param = %d)\n",
1000000 / avrispmkIIfreqs[i], i);