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authorStanislav Kinsbursky <skinsbursky@parallels.com>2012-07-03 16:46:41 +0400
committerJ. Bruce Fields <bfields@redhat.com>2012-07-25 17:21:31 +0400
commit57c8b13e3cd0f94944c9691ce7f58e5fcef8a12d (patch)
tree1730526321faaad23aef64e3a437dc2f92752e90 /fs/nfsd/nfsd.h
parent19f7e2ca44dfc3c1b3f499fc46801f98d403500f (diff)
downloadlinux-57c8b13e3cd0f94944c9691ce7f58e5fcef8a12d.tar.xz
NFSd: set nfsd_serv to NULL after service destruction
In nfsd_destroy(): if (destroy) svc_shutdown_net(nfsd_serv, net); svc_destroy(nfsd_server); svc_shutdown_net(nfsd_serv, net) calls nfsd_last_thread(), which sets nfsd_serv to NULL, causing a NULL dereference on the following line. Signed-off-by: Stanislav Kinsbursky <skinsbursky@parallels.com> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Diffstat (limited to 'fs/nfsd/nfsd.h')
-rw-r--r--fs/nfsd/nfsd.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/nfsd/nfsd.h b/fs/nfsd/nfsd.h
index 7b248a24d5c5..2244222368ab 100644
--- a/fs/nfsd/nfsd.h
+++ b/fs/nfsd/nfsd.h
@@ -82,6 +82,8 @@ static inline void nfsd_destroy(struct net *net)
if (destroy)
svc_shutdown_net(nfsd_serv, net);
svc_destroy(nfsd_serv);
+ if (destroy)
+ nfsd_serv = NULL;
}
#if defined(CONFIG_NFSD_V2_ACL) || defined(CONFIG_NFSD_V3_ACL)