parisc/unwind: call callback with toplevel address

From: Naresh Kamboju
Date: Fri Oct 01 2021 - 06:30:53 EST


Following build errors noticed while building Linux next 20211001
with gcc-11 for parisc architecture.

arch/parisc/kernel/stacktrace.c: In function 'dump_trace':
arch/parisc/kernel/stacktrace.c:20:13: error: 'regs' undeclared (first
use in this function)
20 | if (regs)
| ^~~~
arch/parisc/kernel/stacktrace.c:20:13: note: each undeclared
identifier is reported only once for each function it appears in
arch/parisc/kernel/stacktrace.c:21:22: error: implicit declaration of
function 'fn' [-Werror=implicit-function-declaration]
21 | if (!fn(cookie, regs->iaoq[0]))
| ^~
arch/parisc/kernel/stacktrace.c:21:25: error: 'cookie' undeclared
(first use in this function)
21 | if (!fn(cookie, regs->iaoq[0]))
| ^~~~~~
cc1: some warnings being treated as errors
make[3]: *** [scripts/Makefile.build:288:
arch/parisc/kernel/stacktrace.o] Error 1

Build config:
https://builds.tuxbuild.com/1ytbtyEg5SDSQgS2Oj9RsCM4ZmS/config

Reported-by: Linux Kernel Functional Testing <lkft@xxxxxxxxxx>

meta data:
-----------
git_repo: https://gitlab.com/Linaro/lkft/mirrors/next/linux-next
git_sha: a25006a77348ba06c7bc96520d331cd9dd370715
git_short_log: a25006a77348 (\"Add linux-next specific files for 20211001\")
kconfig: defconfig
kernel_version: 5.15.0-rc3
target_arch: parisc
toolchain: gcc-11

steps to reproduce:
https://builds.tuxbuild.com/1ytbtyEg5SDSQgS2Oj9RsCM4ZmS/tuxmake_reproducer.sh

--
Linaro LKFT
https://lkft.linaro.org