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authorNeilBrown <neilb@suse.de>2006-10-04 02:16:15 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2006-10-04 07:55:20 -0700
commit6b54dae2b0defb30babb0fe87b13463b9f4b2907 (patch)
tree0a9e2d34f4fb089287b6d5b92cb438b30dd66293
parentb66285cee3f9abad26cca6c9b848e1ad6b792d94 (diff)
[PATCH] knfsd: lockd: fix refount on nsm
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>
-rw-r--r--fs/lockd/host.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/fs/lockd/host.c b/fs/lockd/host.c
index 0257a5594524..fb24a9730345 100644
--- a/fs/lockd/host.c
+++ b/fs/lockd/host.c
@@ -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;