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NFSv4.1: Ensure that we handle _all_ SEQUENCE status bits. 

Currently, the code assumes that the SEQUENCE status bits are mutually
exclusive. They are not...

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Cc: stable@vger.kernel.org [>= 2.6.34]
This commit is contained in:
Trond Myklebust 2011-12-01 16:37:42 -05:00
parent 4f38e4aadc
commit 111d489f0f
1 changed files with 4 additions and 4 deletions
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8
fs/nfs/nfs4state.c
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@ -1530,16 +1530,16 @@ void nfs41_handle_sequence_flag_errors(struct nfs_client *clp, u32 flags)
{ {
if (!flags) if (!flags)
return; return;
else if (flags & SEQ4_STATUS_RESTART_RECLAIM_NEEDED) if (flags & SEQ4_STATUS_RESTART_RECLAIM_NEEDED)
nfs41_handle_server_reboot(clp); nfs41_handle_server_reboot(clp);
else if (flags & (SEQ4_STATUS_EXPIRED_ALL_STATE_REVOKED | if (flags & (SEQ4_STATUS_EXPIRED_ALL_STATE_REVOKED |
SEQ4_STATUS_EXPIRED_SOME_STATE_REVOKED | SEQ4_STATUS_EXPIRED_SOME_STATE_REVOKED |
SEQ4_STATUS_ADMIN_STATE_REVOKED | SEQ4_STATUS_ADMIN_STATE_REVOKED |
SEQ4_STATUS_LEASE_MOVED)) SEQ4_STATUS_LEASE_MOVED))
nfs41_handle_state_revoked(clp); nfs41_handle_state_revoked(clp);
else if (flags & SEQ4_STATUS_RECALLABLE_STATE_REVOKED) if (flags & SEQ4_STATUS_RECALLABLE_STATE_REVOKED)
nfs41_handle_recallable_state_revoked(clp); nfs41_handle_recallable_state_revoked(clp);
else if (flags & (SEQ4_STATUS_CB_PATH_DOWN | if (flags & (SEQ4_STATUS_CB_PATH_DOWN |
SEQ4_STATUS_BACKCHANNEL_FAULT | SEQ4_STATUS_BACKCHANNEL_FAULT |
SEQ4_STATUS_CB_PATH_DOWN_SESSION)) SEQ4_STATUS_CB_PATH_DOWN_SESSION))
nfs41_handle_cb_path_down(clp); nfs41_handle_cb_path_down(clp);