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Fix null pointer dereference in app_groupcount.c (bug 1588) 

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@2928 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
James Golovich 2004-05-09 06:23:30 +00:00
parent d2a4408930
commit aff78a98cf
1 changed files with 1 additions and 1 deletions
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2
apps/app_groupcount.c
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@ -68,7 +68,7 @@ static int group_get_count(char *group)
chan = ast_channel_walk(NULL);
while(chan) {
test = pbx_builtin_getvar_helper(chan, "GROUP");
if (!strcasecmp(test, group))
if (test && !strcasecmp(test, group))
count++;
chan = ast_channel_walk(chan);
}