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OpenCloudOS-Kernel
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IB/ipath: strncpy() doesn't always NUL-terminate 

strlcpy() will always null terminate the string.  node_desc is not
guaranteed to be NUL-terminated so just use memcpy().

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
This commit is contained in:
Roel Kluin 2009-09-05 20:23:21 -07:00 committed by Roland Dreier
parent e07cccf404
commit 286b63d096
2 changed files with 2 additions and 2 deletions
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2
drivers/infiniband/hw/ipath/ipath_file_ops.c
View File

@ -1616,7 +1616,7 @@ static int try_alloc_port(struct ipath_devdata *dd, int port,
pd->port_cnt = 1;
port_fp(fp) = pd;
pd->port_pid = get_pid(task_pid(current));
strncpy(pd->port_comm, current->comm, sizeof(pd->port_comm));
strlcpy(pd->port_comm, current->comm, sizeof(pd->port_comm));
ipath_stats.sps_ports++;
ret = 0;
} else

2
drivers/infiniband/hw/ipath/ipath_mad.c
View File

@ -60,7 +60,7 @@ static int recv_subn_get_nodedescription(struct ib_smp *smp,
if (smp->attr_mod)
smp->status |= IB_SMP_INVALID_FIELD;
strncpy(smp->data, ibdev->node_desc, sizeof(smp->data));
memcpy(smp->data, ibdev->node_desc, sizeof(smp->data));
return reply(smp);
}