Hallo Thomas, On Wed, Nov 10, 2010 at 12:30:44PM +0000, tip-bot for Darren Hart wrote: > Commit-ID: 4c115e951d80aff126468adaec7a6c7854f61ab8 > Gitweb: http://git.kernel.org/tip/4c115e951d80aff126468adaec7a6c7854f61ab8 > Author: Darren Hart <dvhart@xxxxxxxxxxxxxxx> > AuthorDate: Thu, 4 Nov 2010 15:00:00 -0400 > Committer: Thomas Gleixner <tglx@xxxxxxxxxxxxx> > CommitDate: Wed, 10 Nov 2010 13:27:50 +0100 > > futex: Address compiler warnings in exit_robust_list > > Since commit 1dcc41bb (futex: Change 3rd arg of fetch_robust_entry() > to unsigned int*) some gcc versions decided to emit the following > warning: > > kernel/futex.c: In function âexit_robust_listâ: > kernel/futex.c:2492: warning: ânext_piâ may be used uninitialized in this function > > The commit did not introduce the warning as gcc should have warned > before that commit as well. It's just gcc being silly. > > The code path really can't result in next_pi being unitialized (or > should not), but let's keep the build clean. Annotate next_pi as an > uninitialized_var. > > [ tglx: Addressed the same issue in futex_compat.c and massaged the > changelog ] > > Signed-off-by: Darren Hart <dvhart@xxxxxxxxxxxxxxx> > Tested-by: Matt Fleming <matt@xxxxxxxxxxxxxxxxx> > Tested-by: Uwe Kleine-KÃnig <u.kleine-koenig@xxxxxxxxxxxxxx> I don't care much (at least until someone claims this change to introduce a regression), but I didn't test it. I only suggested to use uninitialized_var instead of = 0. Thanks Uwe -- Pengutronix e.K. | Uwe Kleine-KÃnig | Industrial Linux Solutions | http://www.pengutronix.de/ | -- To unsubscribe from this list: send the line "unsubscribe linux-tip-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
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