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authorNeilBrown <neilb@suse.de>2006-10-04 09:16:15 (GMT)
committerLinus Torvalds <torvalds@g5.osdl.org>2006-10-04 14:55:20 (GMT)
commit6b54dae2b0defb30babb0fe87b13463b9f4b2907 (patch)
tree0a9e2d34f4fb089287b6d5b92cb438b30dd66293 /fs/lockd
parentb66285cee3f9abad26cca6c9b848e1ad6b792d94 (diff)
downloadlinux-6b54dae2b0defb30babb0fe87b13463b9f4b2907.tar.xz
[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>
Diffstat (limited to 'fs/lockd')
-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 0257a55..fb24a97 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;