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List: kernel-janitors
Subject: RE: [PATCH 5/9] drivers/scsi: Eliminate useless code
From: Jing Huang <huangj () Brocade ! COM>
Date: 2010-01-22 0:16:32
Message-ID: 04391A4E90BB2149B010D22452FA16875F0348B0 () HQ-EXCH-6 ! corp ! brocade ! com
[Download RAW message or body]
Acked-by: Jing Huang <huangj@brocade.com>
> -----Original Message-----
> From: Julia Lawall [mailto:julia@diku.dk]
> Sent: Saturday, January 16, 2010 7:59 AM
> To: Jing Huang; James E.J. Bottomley; linux-scsi@vger.kernel.org; linux-
> kernel@vger.kernel.org; kernel-janitors@vger.kernel.org
> Subject: [PATCH 5/9] drivers/scsi: Eliminate useless code
>
> From: Julia Lawall <julia@diku.dk>
>
> The variable bfa_itnim is initialized twice to the same (side effect-free)
> expression. Drop one initialization.
>
> A simplified version of the semantic match that finds this problem is:
> (http://coccinelle.lip6.fr/)
>
> // <smpl>
> @forall@
> idexpression *x;
> identifier f!=ERR_PTR;
> @@
>
> x = f(...)
> ... when != x
> (
> x = f(...,<+...x...+>,...)
> |
> * x = f(...)
> )
> // </smpl>
>
> Signed-off-by: Julia Lawall <julia@diku.dk>
>
> ---
> drivers/scsi/bfa/bfad_im.c | 1 -
> 1 files changed, 0 insertions(+), 1 deletions(-)
>
> diff --git a/drivers/scsi/bfa/bfad_im.c b/drivers/scsi/bfa/bfad_im.c
> index f788c2a..37b0fa1 100644
> --- a/drivers/scsi/bfa/bfad_im.c
> +++ b/drivers/scsi/bfa/bfad_im.c
> @@ -243,9 +243,8 @@ bfad_im_target_reset_send(struct bfad_s *bfad, struct
> scsi_cmnd *cmnd,
> struct bfa_itnim_s *bfa_itnim;
> bfa_status_t rc = BFA_STATUS_OK;
>
> - bfa_itnim = bfa_fcs_itnim_get_halitn(&itnim->fcs_itnim);
> tskim = bfa_tskim_alloc(&bfad->bfa, (struct bfad_tskim_s *) cmnd);
> if (!tskim) {
> BFA_DEV_PRINTF(bfad, BFA_ERR,
--
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