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Commit 10fa8acf authored by J. Bruce Fields's avatar J. Bruce Fields
Browse files

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: default avatarJia-Ju Bai <baijiaju1990@gmail.com>
Signed-off-by: default avatarJ. Bruce Fields <bfields@redhat.com>
parent 4f375483

fs/nfsd/nfs4callback.c

+15 −20
Original line number Diff line number Diff line
@@ -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;

	}



	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;

	}



	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;

	}



	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;

	}



	return decode_cb_op_status(xdr, OP_CB_OFFLOAD, &cb->cb_status);

}

/*