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| author | Stanislav Kinsbursky <skinsbursky@parallels.com> | 2012-07-03 14:46:41 +0200 |
|---|---|---|
| committer | J. Bruce Fields <bfields@redhat.com> | 2012-07-25 15:21:31 +0200 |
| commit | 57c8b13e3cd0f94944c9691ce7f58e5fcef8a12d (patch) | |
| tree | 1730526321faaad23aef64e3a437dc2f92752e90 /fs/nfsd/nfsd.h | |
| parent | NFSd: introduce nfsd_destroy() helper (diff) | |
| download | linux-57c8b13e3cd0f94944c9691ce7f58e5fcef8a12d.tar.xz linux-57c8b13e3cd0f94944c9691ce7f58e5fcef8a12d.zip | |
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.h | 2 |
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) |