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SubjectRe: [PATCH] btrfs: Remove redundant initialization of slot
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On 2021/12/31 20:23, Jiapeng Chong wrote:
> slot is being initialized to path->slots[0] but this is never
> read as slot is overwritten later on. Remove the redundant
> initialization.
>
> Cleans up the following clang-analyzer warning:
>
> fs/btrfs/tree-log.c:6125:7: warning: Value stored to 'slot' during its
> initialization is never read [clang-analyzer-deadcode.DeadStores].
>
> Reported-by: Abaci Robot <abaci@linux.alibaba.com>
> Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>
> ---
> fs/btrfs/tree-log.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/fs/btrfs/tree-log.c b/fs/btrfs/tree-log.c
> index 9165486b554e..c083562a3334 100644
> --- a/fs/btrfs/tree-log.c
> +++ b/fs/btrfs/tree-log.c
> @@ -6122,7 +6122,7 @@ static int log_new_ancestors(struct btrfs_trans_handle *trans,
> while (true) {
> struct btrfs_fs_info *fs_info = root->fs_info;
> struct extent_buffer *leaf = path->nodes[0];
> - int slot = path->slots[0];
> + int slot;

If you're cleaning up slot, then why not also cleaning up leaf?

And again, no feedback no matter what on other patches from you, and
still CC to maintainers.


> struct btrfs_key search_key;
> struct inode *inode;
> u64 ino;

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