wan/fsl_ucc_hdlc: use IS_ERR_VALUE() to check return value of qe_muram_alloc
qe_muram_alloc return a unsigned long integer,which should not
compared with zero. check it using IS_ERR_VALUE() to fix this.
Fixes: c19b6d246a
("drivers/net: support hdlc function for QE-UCC")
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
zero-colors
parent
6a525818b1
commit
fd800f6464
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@ -192,7 +192,7 @@ static int uhdlc_init(struct ucc_hdlc_private *priv)
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priv->ucc_pram_offset = qe_muram_alloc(sizeof(struct ucc_hdlc_param),
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ALIGNMENT_OF_UCC_HDLC_PRAM);
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if (priv->ucc_pram_offset < 0) {
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if (IS_ERR_VALUE(priv->ucc_pram_offset)) {
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dev_err(priv->dev, "Can not allocate MURAM for hdlc parameter.\n");
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ret = -ENOMEM;
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goto free_tx_bd;
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@ -230,14 +230,14 @@ static int uhdlc_init(struct ucc_hdlc_private *priv)
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/* Alloc riptr, tiptr */
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riptr = qe_muram_alloc(32, 32);
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if (riptr < 0) {
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if (IS_ERR_VALUE(riptr)) {
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dev_err(priv->dev, "Cannot allocate MURAM mem for Receive internal temp data pointer\n");
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ret = -ENOMEM;
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goto free_tx_skbuff;
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}
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tiptr = qe_muram_alloc(32, 32);
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if (tiptr < 0) {
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if (IS_ERR_VALUE(tiptr)) {
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dev_err(priv->dev, "Cannot allocate MURAM mem for Transmit internal temp data pointer\n");
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ret = -ENOMEM;
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goto free_riptr;
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