diff options
| author |   Bart Van Assche <bart.vanassche@sandisk.com> | 2017-01-10 11:15:45 -0800 |
|---|---|---|
| committer |   Doug Ledford <dledford@redhat.com> | 2017-01-10 16:52:47 -0500 |
| commit | 046ef24d256bccc3767eb6feef1dbe07338fc5c5 (patch) | |
| tree | 249ed8303b8134c591c75fe53ac8d29609464697 /drivers/infiniband/sw/rxe/rxe_hdr.h | |
| parent | IB/rxe: Remove superfluous casts (diff) | |
| download | linux-dev-046ef24d256bccc3767eb6feef1dbe07338fc5c5.tar.xz linux-dev-046ef24d256bccc3767eb6feef1dbe07338fc5c5.zip | |
IB/rxe: Enable type checking on SKB_TO_PKT() and PKT_TO_SKB() arguments
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>
Diffstat (limited to '')
| -rw-r--r-- | drivers/infiniband/sw/rxe/rxe_hdr.h | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/drivers/infiniband/sw/rxe/rxe_hdr.h b/drivers/infiniband/sw/rxe/rxe_hdr.h index d57b5e956ceb..6cb18406f5b8 100644 --- a/drivers/infiniband/sw/rxe/rxe_hdr.h +++ b/drivers/infiniband/sw/rxe/rxe_hdr.h @@ -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 |