On Wed, 2015-11-25 at 19:41 +0800, Ching Huang wrote:
> From: Ching Huang <[email protected]>
> 
> Releasing allocated resource if get configuration data failed.
> 
> Signed-of-by: Ching Huang <[email protected]>
> 
> ---
> 
> diff -uprN a/drivers/scsi/arcmsr/arcmsr_hba.c
> b/drivers/scsi/arcmsr/arcmsr_hba.c
> --- a/drivers/scsi/arcmsr/arcmsr_hba.c        2015-11-24 11:35:26.000000000
> +0800
> +++ b/drivers/scsi/arcmsr/arcmsr_hba.c        2015-11-25 19:04:44.590970000
> +0800
> @@ -2664,7 +2664,7 @@ static bool arcmsr_hbaB_get_config(struc
>       if (!arcmsr_hbaB_wait_msgint_ready(acb)) {
>               printk(KERN_NOTICE "arcmsr%d: wait 'get adapter firmware \
>                       miscellaneous data' timeout \n", acb->host-
> >host_no);
> -             return false;
> +             goto err_free_dma;
>       }
>       count = 8;
>       while (count){
> @@ -2707,6 +2707,10 @@ static bool arcmsr_hbaB_get_config(struc
>       acb->firm_cfg_version = readl(&reg-
> >message_rwbuffer[25]);  /*firm_cfg_version,25,100-103*/
>       /*firm_ide_channels,4,16-19*/
>       return true;
> +err_free_dma:
> +     dma_free_coherent(&acb->pdev->dev, acb->roundup_ccbsize,
> +                     acb->dma_coherent2, acb->dma_coherent_handle2);
> +     return false;
>  }
>  
>  static bool arcmsr_hbaC_get_config(struct AdapterControlBlock *pACB)
> 
> 

Reviewed-by: Johannes Thumshirn <[email protected]>
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