Messages in this thread Patch in this message | | | From | NeilBrown <> | Date | Fri, 29 Sep 2006 13:08:45 +1000 | Subject | [PATCH 002 of 8] 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>
### Diffstat output ./fs/lockd/host.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-)
diff .prev/fs/lockd/host.c ./fs/lockd/host.c --- .prev/fs/lockd/host.c 2006-09-29 11:44:21.000000000 +1000 +++ ./fs/lockd/host.c 2006-09-29 11:55:15.000000000 +1000 @@ -103,8 +103,8 @@ nlm_lookup_host(int server, const struct 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 nlm_get_host(host); goto out; } + if (nsm) + atomic_inc(&nsm->sm_count); host = NULL; - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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