staging: rtl8188eu: use safe iterator in rtw_free_all_stainfo
This is another case where we may remove list entries while we iterate over the list. Use list_for_each_entry_safe to avoid an endless loop. Fixes: 23017c88 ("staging: rtl8188eu: Use list iterators and helpers") Signed-off-by: Martin Kaiser <martin@kaiser.cx> Reviewed-by: Guenter Roeck <linux@roeck-us.net> Link: https://lore.kernel.org/r/20210517201826.25150-2-martin@kaiser.cxSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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