If DESTROY_SESSION arrives on a singleton compound that has no SEQUENCE
operation cstate->session is NULL.
Signed-off-by: Benny Halevy <bhalevy@xxxxxxxxxxx>
---
fs/nfsd/nfs4state.c | 5 +++--
1 files changed, 3 insertions(+), 2 deletions(-)
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index 3b46994..8da730f 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -1394,8 +1394,9 @@ nfsd4_destroy_session(struct svc_rqst *r,
* - Do we need to clear any callback info from previous session?
*/
- if (!memcmp(&sessionid->sessionid, &cstate->session->se_sessionid,
- sizeof(struct nfs4_sessionid))) {
+ if (cstate->session &&
+ !memcmp(&sessionid->sessionid, &cstate->session->se_sessionid,
+ sizeof(struct nfs4_sessionid))) {
if (!nfsd4_last_compound_op(r))
return nfserr_not_only_op;
}
--
1.6.5.1
--
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