Re: [PATCH] snic: Return error code on memory allocation failure

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On Wed, 2016-12-21 at 14:45 +0100, Burak Ok wrote:
> If a call to mempool_create_slab_pool() in snic_probe() returns NULL,
> return -ENOMEM to indicate failure. mempool_creat_slab_pool() only fails if
> it cannot allocate memory.
> 
> https://bugzilla.kernel.org/show_bug.cgi?id=189061
> 
> Reported-by: bianpan2010@xxxxxxxxxx
> Signed-off-by: Burak Ok <burak-kernel@xxxxxxxx>
> Signed-off-by: Andreas Schaertl <andreas.schaertl@xxxxxx>
> ---
>  drivers/scsi/snic/snic_main.c | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/drivers/scsi/snic/snic_main.c b/drivers/scsi/snic/snic_main.c
> index 396b32d..7cf70aa 100644
> --- a/drivers/scsi/snic/snic_main.c
> +++ b/drivers/scsi/snic/snic_main.c
> @@ -591,6 +591,7 @@ snic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
>  	if (!pool) {
>  		SNIC_HOST_ERR(shost, "dflt sgl pool creation failed\n");
>  
> +		ret = -ENOMEM;
>  		goto err_free_res;
>  	}
>  
> @@ -601,6 +602,7 @@ snic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
>  	if (!pool) {
>  		SNIC_HOST_ERR(shost, "max sgl pool creation failed\n");
>  
> +		ret = -ENOMEM;
>  		goto err_free_dflt_sgl_pool;
>  	}
>  
> @@ -611,6 +613,7 @@ snic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
>  	if (!pool) {
>  		SNIC_HOST_ERR(shost, "snic tmreq info pool creation failed.\n");
>  
> +		ret = -ENOMEM;
>  		goto err_free_max_sgl_pool;
>  	}
>  

Reviewed-by: Ewan D. Milne <emilne@xxxxxxxxxx>


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