On Tue, Sep 23, 2014 at 09:22:36AM +0900, Daeseok Youn wrote: > static void dgap_release_remap(struct board_t *brd) > { > - release_mem_region(brd->membase, 0x200000); > - release_mem_region(brd->membase + PCI_IO_OFFSET, 0x200000); > - iounmap(brd->re_map_membase); > - iounmap(brd->re_map_port); > + if (brd->re_map_membase) { I hate this if conditions. Let's not complicate dgap_release_remap(), let's fix the callers instead. Especially dgap_init_module() is a totally sucky function with bad unwinding. Let's not apply this patch. regards, dan carpenter _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel