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authorMichael S. Tsirkin <mst@mellanox.co.il>2006-07-14 00:23:52 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2006-07-14 21:53:50 -0700
commitf0ee3404cce2c45f8b95b341dd6311cd92e5cee0 (patch)
treefc4a88c79310ea1937c6ede58c0a06f5b056078a /include/rdma/ib_addr.h
parent04c335430f6d9f9088c852bc05a3a0c8baa921c4 (diff)
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[PATCH] IB/addr: gid structure alignment fix
The device address contains unsigned character arrays, which contain raw GID addresses. The GIDs may not be naturally aligned, so do not cast them to structures or unions. Signed-off-by: Sean Hefty <sean.hefty@intel.com> Signed-off-by: Michael S. Tsirkin <mst@mellanox.co.il> Cc: Roland Dreier <rolandd@cisco.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'include/rdma/ib_addr.h')
-rw-r--r--include/rdma/ib_addr.h10
1 files changed, 6 insertions, 4 deletions
diff --git a/include/rdma/ib_addr.h b/include/rdma/ib_addr.h
index fcb5ba87dcc..0ff67398928 100644
--- a/include/rdma/ib_addr.h
+++ b/include/rdma/ib_addr.h
@@ -89,9 +89,10 @@ static inline void ib_addr_set_pkey(struct rdma_dev_addr *dev_addr, u16 pkey)
dev_addr->broadcast[9] = (unsigned char) pkey;
}
-static inline union ib_gid *ib_addr_get_sgid(struct rdma_dev_addr *dev_addr)
+static inline void ib_addr_get_sgid(struct rdma_dev_addr *dev_addr,
+ union ib_gid *gid)
{
- return (union ib_gid *) (dev_addr->src_dev_addr + 4);
+ memcpy(gid, dev_addr->src_dev_addr + 4, sizeof *gid);
}
static inline void ib_addr_set_sgid(struct rdma_dev_addr *dev_addr,
@@ -100,9 +101,10 @@ static inline void ib_addr_set_sgid(struct rdma_dev_addr *dev_addr,
memcpy(dev_addr->src_dev_addr + 4, gid, sizeof *gid);
}
-static inline union ib_gid *ib_addr_get_dgid(struct rdma_dev_addr *dev_addr)
+static inline void ib_addr_get_dgid(struct rdma_dev_addr *dev_addr,
+ union ib_gid *gid)
{
- return (union ib_gid *) (dev_addr->dst_dev_addr + 4);
+ memcpy(gid, dev_addr->dst_dev_addr + 4, sizeof *gid);
}
static inline void ib_addr_set_dgid(struct rdma_dev_addr *dev_addr,