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config: fix crash caused by strdup(NULL)

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This commit is contained in:
Eamon Walsh
2009-04-09 02:26:24 -04:00
parent 7b3982eb65
commit 3a0ee199dc
1 changed files with 3 additions and 2 deletions
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5
hw/xfree86/parser/Flags.c
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@@ -235,11 +235,12 @@ XF86OptionPtr
xf86optionListDup (XF86OptionPtr opt)
{
XF86OptionPtr newopt = NULL;
char *val;
while (opt)
{
newopt = xf86addNewOption(newopt, strdup(opt->opt_name),
strdup(opt->opt_val));
val = opt->opt_val ? strdup(opt->opt_val) : NULL;
newopt = xf86addNewOption(newopt, strdup(opt->opt_name), val);
newopt->opt_used = opt->opt_used;
if (opt->opt_comment)
newopt->opt_comment = strdup(opt->opt_comment);