On 04/08/2014 11:42 PM, Matei Oprea wrote:
> It's easier to use kcalloc for allocating arrays. While at it
> also remove useless casting value.
>
> Signed-off-by: Matei Oprea <eu@xxxxxxxxxxxxx>
> Cc: ROSEdu Kernel Community <firefly@xxxxxxxxxxxxxxxx>
> ---
> drivers/scsi/lpfc/lpfc_init.c | 14 ++++++++------
> 1 file changed, 8 insertions(+), 6 deletions(-)
>
> diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c
> index 635eeb3..1528f34 100644
> --- a/drivers/scsi/lpfc/lpfc_init.c
> +++ b/drivers/scsi/lpfc/lpfc_init.c
> @@ -4742,12 +4742,14 @@ lpfc_sli_driver_resource_setup(struct lpfc_hba *phba)
> phba->cfg_sg_seg_cnt = LPFC_DEFAULT_MENLO_SG_SEG_CNT;
> }
>
> - if (!phba->sli.ring)
> - phba->sli.ring = (struct lpfc_sli_ring *)
> - kzalloc(LPFC_SLI3_MAX_RING *
> - sizeof(struct lpfc_sli_ring), GFP_KERNEL);
> - if (!phba->sli.ring)
> - return -ENOMEM;
> + if (unlikely(!phba->sli.ring)) {
As Joe Perches said this one is not unlikely, it might or it might not
depending on state.
> + phba->sli.ring = kcalloc(LPFC_SLI3_MAX_RING,
> + sizeof(struct lpfc_sli_ring),
> + GFP_KERNEL);
> +
> + if (!phba->sli.ring)
but this one is unlikely. This is the error path so we want
the hot path to be decoded by the CPU.
> + return -ENOMEM;
> + }
>
> /*
> * Since lpfc_sg_seg_cnt is module parameter, the sg_dma_buf_size
>
Cheers
Boaz
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