Re: [PATCH] cifs: remove redundant duplicated assignment of pointer 'node'

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merged into cifs-2.6.git for-next

thx

On Wed, Jan 17, 2018 at 5:11 PM, Ronnie Sahlberg <lsahlber@xxxxxxxxxx> wrote:
> Reviewed-by: Ronnie Sahlberg <lsahlber@xxxxxxxxxx>
>
>
> ----- Original Message -----
> From: "Colin King" <colin.king@xxxxxxxxxxxxx>
> To: "Steve French" <sfrench@xxxxxxxxx>, linux-cifs@xxxxxxxxxxxxxxx, samba-technical@xxxxxxxxxxxxxxx
> Cc: kernel-janitors@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx
> Sent: Wednesday, 17 January, 2018 8:52:39 PM
> Subject: [PATCH] cifs: remove redundant duplicated assignment of pointer 'node'
>
> From: Colin Ian King <colin.king@xxxxxxxxxxxxx>
>
> Node is assigned twice to rb_first(root), first during declaration
> time and second after a taking a spin lock, so we have a duplicated
> assignment.  Remove the first assignment because it is redundant and
> also not protected by the spin lock.
>
> Cleans up clang warning:
> fs/cifs/connect.c:4435:18: warning: Value stored to 'node' during
> its initialization is never read
>
> Signed-off-by: Colin Ian King <colin.king@xxxxxxxxxxxxx>
> ---
>  fs/cifs/connect.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
> index 0efd22e75ac7..63c5d85fe25e 100644
> --- a/fs/cifs/connect.c
> +++ b/fs/cifs/connect.c
> @@ -4432,7 +4432,7 @@ cifs_prune_tlinks(struct work_struct *work)
>         struct cifs_sb_info *cifs_sb = container_of(work, struct cifs_sb_info,
>                                                     prune_tlinks.work);
>         struct rb_root *root = &cifs_sb->tlink_tree;
> -       struct rb_node *node = rb_first(root);
> +       struct rb_node *node;
>         struct rb_node *tmp;
>         struct tcon_link *tlink;
>
> --
> 2.15.1
>
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-- 
Thanks,

Steve
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