On Wed, Jan 28, 2015 at 09:43:16AM +0800, Wenyou Yang wrote: > -#ifdef CONFIG_AT91_SLOW_CLOCK > - /* copy slow_clock handler to SRAM, and call it > */ > - memcpy(slow_clock, at91_slow_clock, > at91_slow_clock_sz); > -#endif > slow_clock(at91_pmc_base, at91_ramc_base[0], > at91_ramc_base[1], > at91_pm_data.memctrl); > @@ -272,6 +268,9 @@ static void __init at91_pm_sram_init(void) > sram_pbase = gen_pool_virt_to_phys(sram_pool, sram_base); > slow_clock = __arm_ioremap_exec(sram_pbase, at91_slow_clock_sz, false); > > + /* Copy the slow_clock handler to SRAM */ > + memcpy(slow_clock, at91_slow_clock, at91_slow_clock_sz); > +
Why is this code not using the fncpy() support for copying functions. Why is it not checking the return code from __arm_ioremap_exec() or gen_pool_virt_to_phys() for failure? This looks like quite a massive review failure when this code was originally merged. It needs fixing. -- FTTC broadband for 0.8mile line: currently at 10.5Mbps down 400kbps up according to speedtest.net. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/