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[SCSI] libiscsi_tcp: fix LLD data allocation
Have libiscsi_tcp have upper layers allocate the LLD data along with the iscsi_cls_conn struct, so it is refcounted. Signed-off-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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@ -1084,7 +1084,8 @@ iscsi_tcp_conn_setup(struct iscsi_cls_session *cls_session, int dd_data_size,
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struct iscsi_cls_conn *cls_conn;
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struct iscsi_tcp_conn *tcp_conn;
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cls_conn = iscsi_conn_setup(cls_session, sizeof(*tcp_conn), conn_idx);
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cls_conn = iscsi_conn_setup(cls_session,
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sizeof(*tcp_conn) + dd_data_size, conn_idx);
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if (!cls_conn)
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return NULL;
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conn = cls_conn->dd_data;
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@ -1096,22 +1097,13 @@ iscsi_tcp_conn_setup(struct iscsi_cls_session *cls_session, int dd_data_size,
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tcp_conn = conn->dd_data;
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tcp_conn->iscsi_conn = conn;
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tcp_conn->dd_data = kzalloc(dd_data_size, GFP_KERNEL);
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if (!tcp_conn->dd_data) {
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iscsi_conn_teardown(cls_conn);
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return NULL;
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}
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tcp_conn->dd_data = conn->dd_data + sizeof(*tcp_conn);
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return cls_conn;
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}
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EXPORT_SYMBOL_GPL(iscsi_tcp_conn_setup);
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void iscsi_tcp_conn_teardown(struct iscsi_cls_conn *cls_conn)
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{
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struct iscsi_conn *conn = cls_conn->dd_data;
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struct iscsi_tcp_conn *tcp_conn = conn->dd_data;
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kfree(tcp_conn->dd_data);
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iscsi_conn_teardown(cls_conn);
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}
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EXPORT_SYMBOL_GPL(iscsi_tcp_conn_teardown);
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