diff mbox

[4/5] sctp: Improve a size determination in sctp_inetaddr_event()

Message ID a96c883f-0495-ad8c-e3a4-c80f27b76ed2@users.sourceforge.net
State Rejected, archived
Delegated to: David Miller
Headers show

Commit Message

SF Markus Elfring May 22, 2017, 4:40 p.m. UTC
From: Markus Elfring <elfring@users.sourceforge.net>
Date: Mon, 22 May 2017 18:08:24 +0200

Replace the specification of a data structure 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>
---
 net/sctp/protocol.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Comments

Marcelo Ricardo Leitner May 22, 2017, 7:52 p.m. UTC | #1
On Mon, May 22, 2017 at 06:40:37PM +0200, SF Markus Elfring wrote:
> From: Markus Elfring <elfring@users.sourceforge.net>
> Date: Mon, 22 May 2017 18:08:24 +0200
> 
> Replace the specification of a data structure 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>

Acked-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>

> ---
>  net/sctp/protocol.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/net/sctp/protocol.c b/net/sctp/protocol.c
> index 64756c42cec9..057479b7bd72 100644
> --- a/net/sctp/protocol.c
> +++ b/net/sctp/protocol.c
> @@ -784,7 +784,7 @@ static int sctp_inetaddr_event(struct notifier_block *this, unsigned long ev,
>  
>  	switch (ev) {
>  	case NETDEV_UP:
> -		addr = kmalloc(sizeof(struct sctp_sockaddr_entry), GFP_ATOMIC);
> +		addr = kmalloc(sizeof(*addr), GFP_ATOMIC);
>  		if (addr) {
>  			addr->a.v4.sin_family = AF_INET;
>  			addr->a.v4.sin_port = 0;
> -- 
> 2.13.0
> 
> --
> To unsubscribe from this list: send the line "unsubscribe linux-sctp" in
> the body of a message to majordomo@vger.kernel.org
> More majordomo info at  http://vger.kernel.org/majordomo-info.html
>
Vlad Yasevich May 22, 2017, 9 p.m. UTC | #2
On 05/22/2017 12:40 PM, SF Markus Elfring wrote:
> From: Markus Elfring <elfring@users.sourceforge.net>
> Date: Mon, 22 May 2017 18:08:24 +0200
> 
> Replace the specification of a data structure 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>
> ---
>  net/sctp/protocol.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/net/sctp/protocol.c b/net/sctp/protocol.c
> index 64756c42cec9..057479b7bd72 100644
> --- a/net/sctp/protocol.c
> +++ b/net/sctp/protocol.c
> @@ -784,7 +784,7 @@ static int sctp_inetaddr_event(struct notifier_block *this, unsigned long ev,
>  
>  	switch (ev) {
>  	case NETDEV_UP:
> -		addr = kmalloc(sizeof(struct sctp_sockaddr_entry), GFP_ATOMIC);
> +		addr = kmalloc(sizeof(*addr), GFP_ATOMIC);
>  		if (addr) {
>  			addr->a.v4.sin_family = AF_INET;
>  			addr->a.v4.sin_port = 0;
> 

Acked-by: Vlad Yasevich <vyasevich@gmail.com>

-vlad
diff mbox

Patch

diff --git a/net/sctp/protocol.c b/net/sctp/protocol.c
index 64756c42cec9..057479b7bd72 100644
--- a/net/sctp/protocol.c
+++ b/net/sctp/protocol.c
@@ -784,7 +784,7 @@  static int sctp_inetaddr_event(struct notifier_block *this, unsigned long ev,
 
 	switch (ev) {
 	case NETDEV_UP:
-		addr = kmalloc(sizeof(struct sctp_sockaddr_entry), GFP_ATOMIC);
+		addr = kmalloc(sizeof(*addr), GFP_ATOMIC);
 		if (addr) {
 			addr->a.v4.sin_family = AF_INET;
 			addr->a.v4.sin_port = 0;