Messages in this thread | | | Date | Tue, 23 May 2023 18:23:57 +0200 | From | David Sterba <> | Subject | Re: [PATCH] btrfs: fix uninitialized variable warnings |
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On Tue, May 23, 2023 at 04:59:35PM +0800, pengfuyuan wrote: > > There are some warnings on older compilers (gcc 10, 7) or non-x86_64 > architectures (mips64). As btrfs wants to enable -Wmaybe-uninitialized > by default, fix the warnings even though it's not necessary on recent > compilers (gcc 12+). > > fs/btrfs/tree-log.c: In function ???btrfs_log_inode???: > fs/btrfs/tree-log.c:6211:9: error: ???last_range_start??? may be used uninitialized in this function [-Werror=maybe-uninitialized] > 6211 | ret = insert_dir_log_key(trans, log, path, key.objectid, > | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > 6212 | first_dir_index, last_dir_index); > | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > fs/btrfs/tree-log.c:6161:6: note: ???last_range_start??? was declared here > 6161 | u64 last_range_start; > | ^~~~~~~~~~~~~~~~ > cc1: all warnings being treated as errors > > Reported-by: k2ci <kernel-bot@kylinos.cn> > Signed-off-by: pengfuyuan <pengfuyuan@kylinos.cn>
Thanks, this warning got reported reported recently [1] and the fix is now in queue.
[1] https://lore.kernel.org/linux-btrfs/20230516013430.2712449-1-zhangshida@kylinos.cn/
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