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IB/ehca: use correct destination for memcpy 

Using an element of a struct as the address for the memcpy of the whole
struct may introduce a buffer overflow and does not help readability either
simply pass the real thing as first argument to memcpy.

Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Nicholas Mc Guire <hofrat@osadl.org>
Signed-off-by: Doug Ledford <dledford@redhat.com>
wifi-calibration
Nicholas Mc Guire 2015-05-11 16:38:02 +02:00 committed by Doug Ledford
parent b6b2bbe65b
commit 94634e9861
1 changed files with 2 additions and 2 deletions
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4
drivers/infiniband/hw/ehca/ehca_mcast.c
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@ -77,7 +77,7 @@ int ehca_attach_mcast(struct ib_qp *ibqp, union ib_gid *gid, u16 lid)
return -EINVAL;
}
memcpy(&my_gid.raw, gid->raw, sizeof(union ib_gid));
memcpy(&my_gid, gid->raw, sizeof(union ib_gid));
subnet_prefix = be64_to_cpu(my_gid.global.subnet_prefix);
interface_id = be64_to_cpu(my_gid.global.interface_id);
@ -114,7 +114,7 @@ int ehca_detach_mcast(struct ib_qp *ibqp, union ib_gid *gid, u16 lid)
return -EINVAL;
}
memcpy(&my_gid.raw, gid->raw, sizeof(union ib_gid));
memcpy(&my_gid, gid->raw, sizeof(union ib_gid));
subnet_prefix = be64_to_cpu(my_gid.global.subnet_prefix);
interface_id = be64_to_cpu(my_gid.global.interface_id);