Re: buildworld broke in sbin/nvmecontrol; r240620 suspected

From: Garrett Cooper <yanegomi_at_gmail.com>
Date: Tue, 18 Sep 2012 08:28:24 -0700
On Sep 18, 2012, at 5:53 AM, David Wolfskill <david_at_catwhisker.org> wrote:

> This was on:
> 
> FreeBSD g1-227.catwhisker.org 10.0-CURRENT FreeBSD 10.0-CURRENT #681 240597M: Mon Sep 17 15:34:41 PDT 2012     root_at_d134.dwolf.juniper.net.:/usr/obj/usr/src/sys/CANARY  i386
> 
> using clang as the C compiler:
> 
> ...
> ===> sbin/nvmecontrol (all)
> clang -O2 -pipe  -std=gnu99 -Qunused-arguments -fstack-protector -Wsystem-headers -Werror -Wall -Wno-format-y2k -W -Wno-unused-parameter -Wstrict-prototypes -Wmissing-prototypes -Wpointer-arith -Wreturn-type -Wcast-qual -Wwrite-strings -Wswitch -Wshadow -Wunused-parameter -Wcast-align -Wchar-subscripts -Winline -Wnested-externs -Wredundant-decls -Wold-style-definition -Wno-pointer-sign -Wno-empty-body -Wno-string-plus-int -c /usr/src/sbin/nvmecontrol/nvmecontrol.c
> /usr/src/sbin/nvmecontrol/nvmecontrol.c:77:6: error: cast from 'struct nvme_controller_data *' to 'uint32_t *' (aka 'unsigned int *') increases required alignment from 1 to 4 [-Werror,-Wcast-align]
>        p = (uint32_t *)cdata;
>            ^~~~~~~~~~~~~~~~~
> 1 error generated.
> *** [nvmecontrol.o] Error code 1
> 1 error
> *** [all] Error code 2
> 1 error
> *** [sbin.all__D] Error code 2

Probably should be using memcpy for that.
Thanks!
-Garrett
Received on Tue Sep 18 2012 - 13:28:27 UTC

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