Messages in this thread |  | | | Date | Tue, 5 Jul 2011 13:38:05 +0200 | | Subject | Re: [PATCH 1/4] uml: cow_user.c warning corrections | | From | Geert Uytterhoeven <> |
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On Tue, Jul 5, 2011 at 13:31, Richard Weinberger <richard@nod.at> wrote: > Am Dienstag 05 Juli 2011, 13:10:34 schrieb Vitaliy Ivanov: >> On Tue, Jul 5, 2011 at 12:28 PM, Richard Weinberger <richard@nod.at> wrote: >> > Am Dienstag 05 Juli 2011, 01:15:41 schrieb Vitaliy Ivanov: >> >> From 6201d3e862fca8670b206338dc90303ea0acc77d Mon Sep 17 00:00:00 2001 >> >> From: Vitaliy Ivanov <vitalivanov@gmail.com> >> >> Date: Tue, 5 Jul 2011 01:57:51 +0300 >> >> Subject: [PATCH 1/4] uml: cow_user.c warning corrections >> >> MIME-Version: 1.0 >> >> Content-Type: text/plain; charset=UTF-8 >> >> Content-Transfer-Encoding: 8bit >> >> >> >> arch/um/drivers/cow_user.c: In function ‘absolutize’: >> >> arch/um/drivers/cow_user.c:189:7: warning: ignoring return value of >> >> ‘chdir’, declared with attribute warn_unused_result >> > >> > What compiler flags are you using? >> > Using the default settings this warning does not show up. >> > Most of the "ignoring return value" are totally useless. >> >> chdir is defined with warn_unused_result attribute and my gcc on >> Ubuntu 11.04 issues warnings. >> I don't use any additional flags on compiling UML. > > Ah, because of -D_FORTIFY_SOURCE=2, right? > Then your patches makes sense.
I also saw it, with gcc version 4.4.3 (Ubuntu 4.4.3-4ubuntu5). I never used FORTIFY_SOURCE.
Gr{oetje,eeting}s, Geert
-- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org
In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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