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* grub-core/lib/arg.c (grub_arg_show_help): Fix a NULL pointer

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dereference.
	Reported by: qwertial.
This commit is contained in:
Vladimir 'phcoder' Serbinenko 2013-04-29 11:57:51 +02:00
parent 3c0003c3c3
commit e0aacf2433
2 changed files with 7 additions and 1 deletions
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2
grub-core/lib/arg.c
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@ -158,7 +158,7 @@ grub_arg_show_help (grub_extcmd_t cmd)
show_usage (cmd);
grub_printf ("%s\n\n", _(cmd->cmd->description));
for (opt = cmd->options; opt->doc; opt++)
for (opt = cmd->options; opt && opt->doc; opt++)
switch (opt->shortarg)
{
case 'h':