diff mbox

[19/26] IB/ocrdma: Improve another size determination in ocrdma_alloc_mr()

Message ID efefdc96-2db5-dd80-3cc4-e88537fe2d49@users.sourceforge.net (mailing list archive)
State Changes Requested
Headers show

Commit Message

SF Markus Elfring March 8, 2017, 1:20 p.m. UTC
From: Markus Elfring <elfring@users.sourceforge.net>
Date: Wed, 8 Mar 2017 09:54:42 +0100

Replace the specification of a data type by a pointer dereference
as the parameter for the operator "sizeof" to make the corresponding size
determination a bit safer according to the Linux coding style convention.

Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
---
 drivers/infiniband/hw/ocrdma/ocrdma_verbs.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Comments

Devesh Sharma March 8, 2017, 3:07 p.m. UTC | #1
Acked-By: Devesh Sharma <devesh.sharma@broadcom.com>

On Wed, Mar 8, 2017 at 6:50 PM, SF Markus Elfring
<elfring@users.sourceforge.net> wrote:
> From: Markus Elfring <elfring@users.sourceforge.net>
> Date: Wed, 8 Mar 2017 09:54:42 +0100
>
> Replace the specification of a data type by a pointer dereference
> as the parameter for the operator "sizeof" to make the corresponding size
> determination a bit safer according to the Linux coding style convention.
>
> Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
> ---
>  drivers/infiniband/hw/ocrdma/ocrdma_verbs.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c
> index 330617e1ef75..05d55d361cfe 100644
> --- a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c
> +++ b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c
> @@ -3030,7 +3030,7 @@ struct ib_mr *ocrdma_alloc_mr(struct ib_pd *ibpd,
>         if (!mr)
>                 return ERR_PTR(-ENOMEM);
>
> -       mr->pages = kcalloc(max_num_sg, sizeof(u64), GFP_KERNEL);
> +       mr->pages = kcalloc(max_num_sg, sizeof(*mr->pages), GFP_KERNEL);
>         if (!mr->pages) {
>                 status = -ENOMEM;
>                 goto pl_err;
> --
> 2.12.0
>
> --
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Yuval Shaia March 9, 2017, 12:03 p.m. UTC | #2
On Wed, Mar 08, 2017 at 02:20:42PM +0100, SF Markus Elfring wrote:
> From: Markus Elfring <elfring@users.sourceforge.net>
> Date: Wed, 8 Mar 2017 09:54:42 +0100
> 
> Replace the specification of a data type by a pointer dereference
> as the parameter for the operator "sizeof" to make the corresponding size
> determination a bit safer according to the Linux coding style convention.
> 
> Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
> ---
>  drivers/infiniband/hw/ocrdma/ocrdma_verbs.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c
> index 330617e1ef75..05d55d361cfe 100644
> --- a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c
> +++ b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c
> @@ -3030,7 +3030,7 @@ struct ib_mr *ocrdma_alloc_mr(struct ib_pd *ibpd,
>  	if (!mr)
>  		return ERR_PTR(-ENOMEM);
>  
> -	mr->pages = kcalloc(max_num_sg, sizeof(u64), GFP_KERNEL);
> +	mr->pages = kcalloc(max_num_sg, sizeof(*mr->pages), GFP_KERNEL);

Reviewed-by: Yuval Shaia <yuval.shaia@oracle.com>

>  	if (!mr->pages) {
>  		status = -ENOMEM;
>  		goto pl_err;
> -- 
> 2.12.0
> 
> --
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diff mbox

Patch

diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c
index 330617e1ef75..05d55d361cfe 100644
--- a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c
+++ b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c
@@ -3030,7 +3030,7 @@  struct ib_mr *ocrdma_alloc_mr(struct ib_pd *ibpd,
 	if (!mr)
 		return ERR_PTR(-ENOMEM);
 
-	mr->pages = kcalloc(max_num_sg, sizeof(u64), GFP_KERNEL);
+	mr->pages = kcalloc(max_num_sg, sizeof(*mr->pages), GFP_KERNEL);
 	if (!mr->pages) {
 		status = -ENOMEM;
 		goto pl_err;