From: Dan Carpenter <dan.carpenter@oracle.com>
To: kgudipat@brocade.com
Cc: linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [SCSI] bfa: Implement LUN Masking feature using the SCSI Slave Callouts.
Date: Wed, 27 Jun 2012 12:05:55 +0300 [thread overview]
Message-ID: <20120627090555.GN31212@elgon.mountain> (raw)
In-Reply-To: <20120627085800.GA3007@mwanda>
Hi,
This bug is still present in linux-next.
regards,
dan carpenter
On Wed, Jan 11, 2012 at 12:32:34PM +0300, Dan Carpenter wrote:
> Hello Krishna Gudipati,
>
> This is a semi-automatic email about new static checker warnings.
>
> The patch 5b7db7af522d: "[SCSI] bfa: Implement LUN Masking feature
> using the SCSI Slave Callouts." from Dec 20, 2011, leads to the
> following Smatch complaint:
>
> drivers/scsi/bfa/bfad_im.c +962 bfad_im_slave_alloc()
> warn: variable dereferenced before check 'rport' (see line 959)
>
> drivers/scsi/bfa/bfad_im.c
> 957 struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
> 958 struct bfad_itnim_data_s *itnim_data =
> 959 (struct bfad_itnim_data_s *) rport->dd_data;
> ^^^^^^^
> New dereference.
>
> 960 struct bfa_s *bfa = itnim_data->itnim->bfa_itnim->bfa;
> 961
> 962 if (!rport || fc_remote_port_chkready(rport))
> ^^^^^
> Old check.
>
> 963 return -ENXIO;
> 964
>
> regards,
> dan carpenter
>
next prev parent reply other threads:[~2012-06-27 9:05 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20120627085800.GA3007@mwanda>
2012-06-27 8:59 ` [patch -resend] [SCSI] bfa: off by one in bfa_ioc_mbox_isr() Dan Carpenter
2012-06-27 17:44 ` Krishna Gudipati
2012-06-27 8:59 ` [patch -resend] [SCSI] bfa: dereferencing freed memory in bfad_im_probe() Dan Carpenter
2012-06-27 17:45 ` Krishna Gudipati
2012-06-27 9:00 ` [patch -resend] [SCSI] megaraid: remove a spurious IRQ enable Dan Carpenter
2012-06-27 22:36 ` adam radford
2012-06-27 9:00 ` [patch 1/2 -resend] SCSI: advansys: handle errors from scsi_dma_map() Dan Carpenter
2012-06-27 10:01 ` walter harms
2012-06-27 10:15 ` Dan Carpenter
2012-06-27 9:01 ` [patch 2/2 -resend] SCSI: advansys: use a subsystem error code Dan Carpenter
2012-06-27 9:04 ` [patch 1/3 -resend] [SCSI] pmcraid: remove unneeded check Dan Carpenter
2012-06-27 9:04 ` [patch 2/3 -resend] [SCSI] pmcraid: cpu_to_le32() => cpu_to_le64() Dan Carpenter
2012-06-27 9:04 ` [patch 3/3 -resend] [SCSI] pmcraid: find_first_zero_bit() takes bits not bytes Dan Carpenter
2012-06-27 9:05 ` [patch -resend] [SCSI] isci: add a couple __iomem annotations Dan Carpenter
2012-06-27 20:58 ` Dan Williams
2012-06-27 9:05 ` Dan Carpenter [this message]
2012-06-27 9:08 ` [patch -resend] [SCSI] megaraid: cleanup type issue in mega_build_cmd() Dan Carpenter
2012-06-27 22:36 ` adam radford
2012-06-27 9:10 ` [patch -resend] isci: make function declaration match implementation Dan Carpenter
2012-01-11 9:32 [SCSI] bfa: Implement LUN Masking feature using the SCSI Slave Callouts Dan Carpenter
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