lkml.org 
[lkml]   [2017]   [Nov]   [6]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
Date
SubjectRE: [PATCH v2] scsi: be2iscsi: Use kasprintf
> -----Original Message-----
> From: Himanshu Jha [mailto:himanshujha199640@gmail.com]
> Sent: Wednesday, October 11, 2017 9:06 PM
> To: jejb@linux.vnet.ibm.com
> Cc: martin.petersen@oracle.com; linux-scsi@vger.kernel.org; linux-
> kernel@vger.kernel.org; subbu.seetharaman@broadcom.com;
> ketan.mukadam@broadcom.com; jitendra.bhivare@broadcom.com;
> Himanshu Jha <himanshujha199640@gmail.com>
> Subject: [PATCH v2] scsi: be2iscsi: Use kasprintf
>
> Use kasprintf instead of combination of kmalloc and sprintf.
> Also, remove BEISCSI_MSI_NAME macro used to specify size of string as
> kasprintf handles size computations.
>
> Signed-off-by: Himanshu Jha <himanshujha199640@gmail.com>
> ---
> v2:
> -remove the unnecessary macro BEISCSI_MSI_NAME.
>
> drivers/scsi/be2iscsi/be_main.c | 12 +++++-------
> drivers/scsi/be2iscsi/be_main.h | 2 --
> 2 files changed, 5 insertions(+), 9 deletions(-)
>
> diff --git a/drivers/scsi/be2iscsi/be_main.c
b/drivers/scsi/be2iscsi/be_main.c
> index b4542e7..6a9ee0e 100644
> --- a/drivers/scsi/be2iscsi/be_main.c
> +++ b/drivers/scsi/be2iscsi/be_main.c
> @@ -803,15 +803,14 @@ static int beiscsi_init_irqs(struct beiscsi_hba
*phba)
>
> if (pcidev->msix_enabled) {
> for (i = 0; i < phba->num_cpus; i++) {
> - phba->msi_name[i] = kzalloc(BEISCSI_MSI_NAME,
> - GFP_KERNEL);
> + phba->msi_name[i] = kasprintf(GFP_KERNEL,
> + "beiscsi_%02x_%02x",
> +
phba->shost->host_no, i);
> if (!phba->msi_name[i]) {
> ret = -ENOMEM;
> goto free_msix_irqs;
> }
>
> - sprintf(phba->msi_name[i], "beiscsi_%02x_%02x",
> - phba->shost->host_no, i);
> ret = request_irq(pci_irq_vector(pcidev, i),
> be_isr_msix, 0,
phba->msi_name[i],
> &phwi_context->be_eq[i]);
> @@ -824,13 +823,12 @@ static int beiscsi_init_irqs(struct beiscsi_hba
*phba)
> goto free_msix_irqs;
> }
> }
> - phba->msi_name[i] = kzalloc(BEISCSI_MSI_NAME,
> GFP_KERNEL);
> + phba->msi_name[i] = kasprintf(GFP_KERNEL,
> "beiscsi_mcc_%02x",
> + phba->shost->host_no);
> if (!phba->msi_name[i]) {
> ret = -ENOMEM;
> goto free_msix_irqs;
> }
> - sprintf(phba->msi_name[i], "beiscsi_mcc_%02x",
> - phba->shost->host_no);
> ret = request_irq(pci_irq_vector(pcidev, i), be_isr_mcc,
0,
> phba->msi_name[i], &phwi_context-
> >be_eq[i]);
> if (ret) {
> diff --git a/drivers/scsi/be2iscsi/be_main.h
b/drivers/scsi/be2iscsi/be_main.h
> index 81ce3ff..8166de5 100644
> --- a/drivers/scsi/be2iscsi/be_main.h
> +++ b/drivers/scsi/be2iscsi/be_main.h
> @@ -155,8 +155,6 @@
> #define PAGES_REQUIRED(x) \
> ((x < PAGE_SIZE) ? 1 : ((x + PAGE_SIZE - 1) / PAGE_SIZE))
>
> -#define BEISCSI_MSI_NAME 20 /* size of msi_name string */
> -
> #define MEM_DESCR_OFFSET 8
> #define BEISCSI_DEFQ_HDR 1
> #define BEISCSI_DEFQ_DATA 0
> --
> 2.7.4

Looks good.

- Thanks.

Reviewed-by: Jitendra Bhivare <jitendra.bhivare@broadcom.com>

\
 
 \ /
  Last update: 2017-11-06 06:02    [W:0.199 / U:0.040 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site