Re: [PATCH] Kbuild: Disable the -Wformat-security gcc flag

[Andreas Schwab]

Floris Kraak <randakar@xxxxxxxxx> writes:

> Example:
>
> kernel/power/main.c:717: warning: format not a string literal and no
> format arguments
>
> This complains about:
> ..
>         if (!rtc) {
>                 printk(warn_no_rtc);
>                 goto done;
>         }
> ..
>
> So what is this "warn_no_rtc" thing?
>
>         static char             warn_no_rtc[] __initdata =
>                 KERN_WARNING "PM: no wakealarm-capable RTC driver is ready\n";

Does it help to make it const?

> That's pretty much GCC failing to recognize that the format is a
> string literal and then complaining that it isn't.

Since it's a non-const variable it cannot be a string literal.

Andreas.

-- 
Andreas Schwab, SuSE Labs, schwab@xxxxxxx
SuSE Linux Products GmbH, Maxfeldstraße 5, 90409 Nürnberg, Germany
PGP key fingerprint = 58CA 54C7 6D53 942B 1756  01D3 44D5 214B 8276 4ED5
"And now for something completely different."
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/