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authorAndy Adamson <andros@netapp.com>2011-01-25 10:38:01 -0500
committerTrond Myklebust <Trond.Myklebust@netapp.com>2011-01-25 15:26:51 -0500
commit778be232a207e79088ba70d832ac25dfea6fbf1a (patch)
tree307249459e5ef45c4b3651c7fc5c454cdb3e0c92 /fs/nfs/callback_proc.c
parent80c30e8de4f81851b1f712bcc596e11d53bc76f1 (diff)
NFS do not find client in NFSv4 pg_authenticate
The information required to find the nfs_client cooresponding to the incoming back channel request is contained in the NFS layer. Perform minimal checking in the RPC layer pg_authenticate method, and push more detailed checking into the NFS layer where the nfs_client can be found. Signed-off-by: Andy Adamson <andros@netapp.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'fs/nfs/callback_proc.c')
-rw-r--r--fs/nfs/callback_proc.c10
1 files changed, 2 insertions, 8 deletions
diff --git a/fs/nfs/callback_proc.c b/fs/nfs/callback_proc.c
index 4bb91cb2620d..829f406e91dd 100644
--- a/fs/nfs/callback_proc.c
+++ b/fs/nfs/callback_proc.c
@@ -373,17 +373,11 @@ __be32 nfs4_callback_sequence(struct cb_sequenceargs *args,
373{ 373{
374 struct nfs_client *clp; 374 struct nfs_client *clp;
375 int i; 375 int i;
376 __be32 status; 376 __be32 status = htonl(NFS4ERR_BADSESSION);
377 377
378 cps->clp = NULL; 378 cps->clp = NULL;
379 379
380 status = htonl(NFS4ERR_BADSESSION); 380 clp = nfs4_find_client_sessionid(args->csa_addr, &args->csa_sessionid);
381 /* Incoming session must match the callback session */
382 if (memcmp(&args->csa_sessionid, cps->svc_sid, NFS4_MAX_SESSIONID_LEN))
383 goto out;
384
385 clp = nfs4_find_client_sessionid(args->csa_addr,
386 &args->csa_sessionid, 1);
387 if (clp == NULL) 381 if (clp == NULL)
388 goto out; 382 goto out;
389 383