linux-kernel - RE: [PATCH] scsi: mpt3sas: mpt3sas_transport.c: Cleaning up uninitialized variables

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Date:	Wed, 25 Jun 2014 15:11:42 +0530
From:	Sreekanth Reddy <sreekanth.reddy@...gotech.com>
To:	Rickard Strandqvist <rickard_strandqvist@...ctrumdigital.se>,
	Nagalakshmi Nandigama <Nagalakshmi.Nandigama@....com>,
	Sreekanth Reddy <Sreekanth.Reddy@....com>,
	James Bottomley <James.Bottomley@...senpartnership.com>
Cc:	linux-kernel@...r.kernel.org,
	"Martin K. Petersen" <martin.petersen@...cle.com>,
	Christoph Hellwig <hch@...radead.org>
Subject: RE: [PATCH] scsi: mpt3sas: mpt3sas_transport.c: Cleaning up
 uninitialized variables

Hi James,

This Patch seem to be fine. Please consider this patch as Acked-by:
Sreekanth Reddy <Sreekanth.Reddy@...gotech.com>

Regards,
Sreekanth

>-----Original Message-----
>From: linux-scsi-owner@...r.kernel.org [mailto:linux-scsi-
>owner@...r.kernel.org] On Behalf Of Rickard Strandqvist
>Sent: Sunday, June 01, 2014 6:39 PM
>To: Nagalakshmi Nandigama; Sreekanth Reddy
>Cc: Rickard Strandqvist; support@....com; James E.J. Bottomley; DL-
>MPTFusionLinux@....com; linux-scsi@...r.kernel.org; linux-
>kernel@...r.kernel.org
>Subject: [PATCH] scsi: mpt3sas: mpt3sas_transport.c: Cleaning up
uninitialized
>variables
>
>There is a risk that the variable will be used without being initialized.
>
>This was largely found by using a static code analysis program called
cppcheck.
>
>Signed-off-by: Rickard Strandqvist
<rickard_strandqvist@...ctrumdigital.se>
>---
> drivers/scsi/mpt3sas/mpt3sas_transport.c |    6 ++----
> 1 file changed, 2 insertions(+), 4 deletions(-)
>
>diff --git a/drivers/scsi/mpt3sas/mpt3sas_transport.c
>b/drivers/scsi/mpt3sas/mpt3sas_transport.c
>index 65170cb..f648dc4 100644
>--- a/drivers/scsi/mpt3sas/mpt3sas_transport.c
>+++ b/drivers/scsi/mpt3sas/mpt3sas_transport.c
>@@ -305,8 +305,8 @@ _transport_expander_report_manufacture(struct
>MPT3SAS_ADAPTER *ioc,
> 	void *data_out = NULL;
> 	dma_addr_t data_out_dma;
> 	dma_addr_t data_in_dma;
>-	size_t data_in_sz;
>-	size_t data_out_sz;
>+	size_t data_in_sz = sizeof(struct rep_manu_reply);
>+	size_t data_out_sz = sizeof(struct rep_manu_request);
> 	u16 wait_state_count;
>
> 	if (ioc->shost_recovery || ioc->pci_error_recovery) { @@ -357,8
>+357,6 @@ _transport_expander_report_manufacture(struct
>MPT3SAS_ADAPTER *ioc,
> 	mpi_request = mpt3sas_base_get_msg_frame(ioc, smid);
> 	ioc->transport_cmds.smid = smid;
>
>-	data_out_sz = sizeof(struct rep_manu_request);
>-	data_in_sz = sizeof(struct rep_manu_reply);
> 	data_out = pci_alloc_consistent(ioc->pdev, data_out_sz +
data_in_sz,
> 	    &data_out_dma);
>
>--
>1.7.10.4
>
>--
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