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Make sure fwsid is not NULL.

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MFC after: 3 days
This commit is contained in:
Hidetoshi Shimokawa 2007-05-21 12:17:54 +00:00
parent 4c520cd4c6
commit bebdf94c45
1 changed files with 3 additions and 1 deletions
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4
sys/dev/firewire/firewire.c
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@ -1485,6 +1485,7 @@ fw_explore(struct firewire_comm *fc)
int node, err, s, i, todo, todo2, trys;
char nodes[63];
struct fw_device dfwdev;
union fw_self_id *fwsid;
todo = 0;
/* setup dummy fwdev */
@ -1497,7 +1498,8 @@ fw_explore(struct firewire_comm *fc)
/* We don't probe myself and linkdown nodes */
if (node == fc->nodeid)
continue;
if (!fw_find_self_id(fc, node)->p0.link_active) {
fwsid = fw_find_self_id(fc, node);
if (!fwsid || !fwsid->p0.link_active) {
if (firewire_debug)
printf("node%d: link down\n", node);
continue;