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IB/addr: Constify dst_entry pointer

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Make dst_entry pointer as const struct dst_entry* to improve code
readablity to make sure that dst structure fields are not modified by
various functions which are using it.

Signed-off-by: Parav Pandit <parav@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
This commit is contained in:
Parav Pandit 2018-03-29 13:26:32 +03:00 committed by Jason Gunthorpe
parent 6f57c933a4
commit fd59015d68
1 changed files with 7 additions and 5 deletions
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12
drivers/infiniband/core/addr.c
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@ -313,7 +313,8 @@ static void queue_req(struct addr_req *req)
mutex_unlock(&lock);
}
static int ib_nl_fetch_ha(struct dst_entry *dst, struct rdma_dev_addr *dev_addr,
static int ib_nl_fetch_ha(const struct dst_entry *dst,
struct rdma_dev_addr *dev_addr,
const void *daddr, u32 seq, u16 family)
{
if (rdma_nl_chk_listeners(RDMA_NL_GROUP_LS))
@ -324,7 +325,8 @@ static int ib_nl_fetch_ha(struct dst_entry *dst, struct rdma_dev_addr *dev_addr,
return ib_nl_ip_send_msg(dev_addr, daddr, seq, family);
}
static int dst_fetch_ha(struct dst_entry *dst, struct rdma_dev_addr *dev_addr,
static int dst_fetch_ha(const struct dst_entry *dst,
struct rdma_dev_addr *dev_addr,
const void *daddr)
{
struct neighbour *n;
@ -348,7 +350,7 @@ static int dst_fetch_ha(struct dst_entry *dst, struct rdma_dev_addr *dev_addr,
return ret;
}
static bool has_gateway(struct dst_entry *dst, sa_family_t family)
static bool has_gateway(const struct dst_entry *dst, sa_family_t family)
{
struct rtable *rt;
struct rt6_info *rt6;
@ -362,7 +364,7 @@ static bool has_gateway(struct dst_entry *dst, sa_family_t family)
return rt6->rt6i_flags & RTF_GATEWAY;
}
static int fetch_ha(struct dst_entry *dst, struct rdma_dev_addr *dev_addr,
static int fetch_ha(const struct dst_entry *dst, struct rdma_dev_addr *dev_addr,
const struct sockaddr *dst_in, u32 seq)
{
const struct sockaddr_in *dst_in4 =
@ -466,7 +468,7 @@ static int addr6_resolve(struct sockaddr_in6 *src_in,
}
#endif
static int addr_resolve_neigh(struct dst_entry *dst,
static int addr_resolve_neigh(const struct dst_entry *dst,
const struct sockaddr *dst_in,
struct rdma_dev_addr *addr,
u32 seq)