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Avoid yet another possible NULL pointer dereference found by GCC 6.1.1

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* lwlib/lwlib.c (lw_get_all_values): Always check the value returned by
get_widget_info.
This commit is contained in:
Dmitry Antipov 2016-07-01 18:45:24 +03:00
parent 55e4e83cf4
commit d942c39c44
1 changed files with 7 additions and 5 deletions
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12
lwlib/lwlib.c
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@ -1042,11 +1042,13 @@ widget_value*
lw_get_all_values (LWLIB_ID id)
{
widget_info* info = get_widget_info (id, False);
widget_value* val = info->val;
if (lw_get_some_values (id, val))
return val;
else
return NULL;
if (info)
{
widget_value* val = info->val;
if (lw_get_some_values (id, val))
return val;
}
return NULL;
}
/* internal function used by the library dependent implementation to get the