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fcst: Avoid "suspicious RCU usage" warnings with lockdep enabled (merge r4378 and r4381 from trunk)

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git-svn-id: http://svn.code.sf.net/p/scst/svn/branches/2.2.x@4696 d57e44dd-8a1f-0410-8b47-8ef2f437770f
This commit is contained in:
Bart Van Assche
2013-01-06 13:16:18 +00:00
parent 958579fd8b
commit b4608c470a
1 changed files with 5 additions and 0 deletions
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5
fcst/ft_sess.c
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@@ -48,7 +48,12 @@ static struct ft_tport *ft_tport_create(struct fc_lport *lport)
ft_format_wwn(name, sizeof(name), lport->wwpn);
FT_SESS_DBG("create %s\n", name);
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 34)
tport = rcu_dereference_protected(lport->prov[FC_TYPE_FCP],
lockdep_is_held(&ft_lport_lock));
#else
tport = rcu_dereference(lport->prov[FC_TYPE_FCP]);
#endif
if (tport) {
FT_SESS_DBG("tport alloc %s - already setup\n", name);
return tport;