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IB/rxe: Enable type checking on SKB_TO_PKT() and PKT_TO_SKB() arguments

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Let the compiler check the type of the arguments passed to SKB_TO_PKT()
and PKT_TO_SKB().

Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
Reviewed-by: Leon Romanovsky <leonro@mellanox.com>
Reviewed-by: Andrew Boyer <andrew.boyer@dell.com>
Cc: Moni Shoua <monis@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
This commit is contained in:
Bart Van Assche 2017-01-10 11:15:45 -08:00 committed by Doug Ledford
parent 967335ab90
commit 046ef24d25
1 changed files with 10 additions and 2 deletions
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12
drivers/infiniband/sw/rxe/rxe_hdr.h
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@ -53,8 +53,16 @@ struct rxe_pkt_info {
};
/* Macros should be used only for received skb */
#define SKB_TO_PKT(skb) ((struct rxe_pkt_info *)(skb)->cb)
#define PKT_TO_SKB(pkt) container_of((void *)(pkt), struct sk_buff, cb)
static inline struct rxe_pkt_info *SKB_TO_PKT(struct sk_buff *skb)
{
BUILD_BUG_ON(sizeof(struct rxe_pkt_info) > sizeof(skb->cb));
return (void *)skb->cb;
}
static inline struct sk_buff *PKT_TO_SKB(struct rxe_pkt_info *pkt)
{
return container_of((void *)pkt, struct sk_buff, cb);
}
/*
* IBA header types and methods