luck/tmp_suning_uos_patched
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[PATCH] knfsd: lockd: fix refount on nsm

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If nlm_lookup_host finds what it is looking for it exits with an extra
reference on the matching 'nsm' structure.

So don't actually count the reference until we are (fairly) sure it is going
to be used.

Signed-off-by: Neil Brown <neilb@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
NeilBrown 2006-10-04 02:16:15 -07:00 committed by Linus Torvalds
parent b66285cee3
commit 6b54dae2b0
1 changed files with 4 additions and 2 deletions
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6
fs/lockd/host.c
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@ -103,8 +103,8 @@ nlm_lookup_host(int server, const struct sockaddr_in *sin,
continue;
/* See if we have an NSM handle for this client */
if (!nsm && (nsm = host->h_nsmhandle) != 0)
atomic_inc(&nsm->sm_count);
if (!nsm)
nsm = host->h_nsmhandle;
if (host->h_proto != proto)
continue;
@ -120,6 +120,8 @@ nlm_lookup_host(int server, const struct sockaddr_in *sin,
nlm_get_host(host);
goto out;
}
if (nsm)
atomic_inc(&nsm->sm_count);
host = NULL;