[next] x86: fs/hugetlbfs/inode.c:673:16: error: variable 'm_index' is uninitialized when used here [-Werror,-Wuninitialized]

[Naresh Kamboju]

The x86_64 and i386 clang builds failed due to these warnings / errors
on Linux next-20220825.

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

fs/hugetlbfs/inode.c:673:16: error: variable 'm_index' is
uninitialized when used here [-Werror,-Wuninitialized]
                                                m_start, m_index, truncate_op);
                                                         ^~~~~~~
fs/hugetlbfs/inode.c:651:26: note: initialize the variable 'm_index'
to silence this warning
        pgoff_t m_start, m_index;
                                ^
                                 = 0
1 error generated.
make[3]: *** [scripts/Makefile.build:250: fs/hugetlbfs/inode.o] Error 1
make[3]: Target '__build' not remade because of errors.
make[2]: *** [scripts/Makefile.build:525: fs/hugetlbfs] Error 2

Build link: https://builds.tuxbuild.com/2Dpvef6uVvzHMztbfQRmxJfPXZT/

Steps to reproduce:
-------------------
# To install tuxmake on your system globally:
# sudo pip3 install -U tuxmake

tuxmake --runtime podman --target-arch x86_64 --toolchain clang-14
--kconfig https://builds.tuxbuild.com/2Dpvef6uVvzHMztbfQRmxJfPXZT/config
LLVM=1 LLVM_IAS=1

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