[SCSI] iscsi: fix crypto_alloc_hash() error check
The return value of crypto_alloc_hash() should be checked by IS_ERR(). Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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@ -1777,13 +1777,13 @@ iscsi_tcp_conn_create(struct iscsi_cls_session *cls_session, uint32_t conn_idx)
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tcp_conn->tx_hash.tfm = crypto_alloc_hash("crc32c", 0,
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CRYPTO_ALG_ASYNC);
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tcp_conn->tx_hash.flags = 0;
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if (!tcp_conn->tx_hash.tfm)
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if (IS_ERR(tcp_conn->tx_hash.tfm))
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goto free_tcp_conn;
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tcp_conn->rx_hash.tfm = crypto_alloc_hash("crc32c", 0,
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CRYPTO_ALG_ASYNC);
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tcp_conn->rx_hash.flags = 0;
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if (!tcp_conn->rx_hash.tfm)
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if (IS_ERR(tcp_conn->rx_hash.tfm))
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goto free_tx_tfm;
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return cls_conn;
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