[PATCH] Don't spam kernel log with EKEYEXPIRED and EACCESS errors

From: John Hughes
Date: Fri Nov 18 2011 - 11:20:38 EST


Don't write anything to the log if a user Kerberos ticket expires or is missing,
these are not kernel problems.

Signed-off-by: John Hughes<john@xxxxxxxxx>

diff --git a/fs/nfs/nfs4state.c b/fs/nfs/nfs4state.c
index 39914be..18897cb 100644
--- a/fs/nfs/nfs4state.c
+++ b/fs/nfs/nfs4state.c
@@ -1339,14 +1339,6 @@ static void nfs4_state_start_reclaim_nograce(struct nfs_client *clp)
nfs4_state_mark_reclaim_helper(clp, nfs4_state_mark_reclaim_nograce);
}

-static void nfs4_warn_keyexpired(const char *s)
-{
- printk_ratelimited(KERN_WARNING "Error: state manager"
- " encountered RPCSEC_GSS session"
- " expired against NFSv4 server %s.\n",
- s);
-}
-
static int nfs4_recovery_handle_error(struct nfs_client *clp, int error)
{
switch (error) {
@@ -1378,7 +1370,6 @@ static int nfs4_recovery_handle_error(struct nfs_client *clp, int error)
return 0;
case -EKEYEXPIRED:
/* Nothing we can do */
- nfs4_warn_keyexpired(clp->cl_hostname);
return 0;
}
return error;
@@ -1620,7 +1611,6 @@ static void nfs4_set_lease_expired(struct nfs_client *clp, int status)
break;

case -EKEYEXPIRED:
- nfs4_warn_keyexpired(clp->cl_hostname);
case -NFS4ERR_NOT_SAME: /* FixMe: implement recovery
* in nfs4_exchange_id */
default:
@@ -1728,8 +1718,9 @@ static void nfs4_state_manager(struct nfs_client *clp)
} while (atomic_read(&clp->cl_count)> 1);
return;
out_error:
- printk(KERN_WARNING "Error: state manager failed on NFSv4 server %s"
- " with error %d\n", clp->cl_hostname, -status);
+ if (status != -EACCESS)
+ printk(KERN_WARNING "Error: state manager failed on NFSv4 server %s"
+ " with error %d\n", clp->cl_hostname, -status);
nfs4_end_drain_session(clp);
nfs4_clear_state_manager_bit(clp);
}


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