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| author |   J. Bruce Fields <bfields@redhat.com> | 2019-07-30 19:06:38 -0400 |
|---|---|---|
| committer | J. Bruce Fields <bfields@redhat.com> | 2019-08-16 13:49:29 -0400 |
| commit | 10fa8acf0fa6ed79ddb662488addb3ba71e9db60 (patch) | |
| tree | 3f592d51352d839b74a37fe811d2c1b22f31ce6f /fs/nfsd/nfs4callback.c | |
| parent | Merge nfsd bugfixes (diff) | |
| download | linux-dev-10fa8acf0fa6ed79ddb662488addb3ba71e9db60.tar.xz linux-dev-10fa8acf0fa6ed79ddb662488addb3ba71e9db60.zip | |
nfsd: Remove unnecessary NULL checks
"cb" is never actually NULL in these functions.
On a quick skim of the history, they seem to have been there from the
beginning. I'm not sure if they originally served a purpose.
Reported-by: Jia-Ju Bai <baijiaju1990@gmail.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Diffstat (limited to 'fs/nfsd/nfs4callback.c')
| -rw-r--r-- | fs/nfsd/nfs4callback.c | 35 |
1 files changed, 15 insertions, 20 deletions
diff --git a/fs/nfsd/nfs4callback.c b/fs/nfsd/nfs4callback.c index 397eb7820929..524111420b48 100644 --- a/fs/nfsd/nfs4callback.c +++ b/fs/nfsd/nfs4callback.c @@ -512,11 +512,9 @@ static int nfs4_xdr_dec_cb_recall(struct rpc_rqst *rqstp, if (unlikely(status)) return status; - if (cb != NULL) { - status = decode_cb_sequence4res(xdr, cb); - if (unlikely(status || cb->cb_seq_status)) - return status; - } + status = decode_cb_sequence4res(xdr, cb); + if (unlikely(status || cb->cb_seq_status)) + return status; return decode_cb_op_status(xdr, OP_CB_RECALL, &cb->cb_status); } @@ -604,11 +602,10 @@ static int nfs4_xdr_dec_cb_layout(struct rpc_rqst *rqstp, if (unlikely(status)) return status; - if (cb) { - status = decode_cb_sequence4res(xdr, cb); - if (unlikely(status || cb->cb_seq_status)) - return status; - } + status = decode_cb_sequence4res(xdr, cb); + if (unlikely(status || cb->cb_seq_status)) + return status; + return decode_cb_op_status(xdr, OP_CB_LAYOUTRECALL, &cb->cb_status); } #endif /* CONFIG_NFSD_PNFS */ @@ -663,11 +660,10 @@ static int nfs4_xdr_dec_cb_notify_lock(struct rpc_rqst *rqstp, if (unlikely(status)) return status; - if (cb) { - status = decode_cb_sequence4res(xdr, cb); - if (unlikely(status || cb->cb_seq_status)) - return status; - } + status = decode_cb_sequence4res(xdr, cb); + if (unlikely(status || cb->cb_seq_status)) + return status; + return decode_cb_op_status(xdr, OP_CB_NOTIFY_LOCK, &cb->cb_status); } @@ -759,11 +755,10 @@ static int nfs4_xdr_dec_cb_offload(struct rpc_rqst *rqstp, if (unlikely(status)) return status; - if (cb) { - status = decode_cb_sequence4res(xdr, cb); - if (unlikely(status || cb->cb_seq_status)) - return status; - } + status = decode_cb_sequence4res(xdr, cb); + if (unlikely(status || cb->cb_seq_status)) + return status; + return decode_cb_op_status(xdr, OP_CB_OFFLOAD, &cb->cb_status); } /* |