diff options
| author | YueHaibing <yuehaibing@huawei.com> | 2018-07-23 22:12:33 +0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2018-07-23 11:07:10 -0700 |
| commit | fd800f646402c0f85547166b59ca065175928b7b (patch) | |
| tree | 7741e9fec3b190b5c5db6622988fd4169856dbe2 /drivers/net/wan | |
| parent | 6a525818b135d72f3706b5114174e5215c217054 (diff) | |
| download | linux-fd800f646402c0f85547166b59ca065175928b7b.tar.bz2 | |
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: c19b6d246a35 ("drivers/net: support hdlc function for QE-UCC")
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/wan')
| -rw-r--r-- | drivers/net/wan/fsl_ucc_hdlc.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/net/wan/fsl_ucc_hdlc.c b/drivers/net/wan/fsl_ucc_hdlc.c index 9b09c9d0d0fb..5f0366a125e2 100644 --- a/drivers/net/wan/fsl_ucc_hdlc.c +++ b/drivers/net/wan/fsl_ucc_hdlc.c @@ -192,7 +192,7 @@ static int uhdlc_init(struct ucc_hdlc_private *priv) priv->ucc_pram_offset = qe_muram_alloc(sizeof(struct ucc_hdlc_param), ALIGNMENT_OF_UCC_HDLC_PRAM); - if (priv->ucc_pram_offset < 0) { + if (IS_ERR_VALUE(priv->ucc_pram_offset)) { dev_err(priv->dev, "Can not allocate MURAM for hdlc parameter.\n"); ret = -ENOMEM; goto free_tx_bd; @@ -230,14 +230,14 @@ static int uhdlc_init(struct ucc_hdlc_private *priv) /* Alloc riptr, tiptr */ riptr = qe_muram_alloc(32, 32); - if (riptr < 0) { + if (IS_ERR_VALUE(riptr)) { dev_err(priv->dev, "Cannot allocate MURAM mem for Receive internal temp data pointer\n"); ret = -ENOMEM; goto free_tx_skbuff; } tiptr = qe_muram_alloc(32, 32); - if (tiptr < 0) { + if (IS_ERR_VALUE(tiptr)) { dev_err(priv->dev, "Cannot allocate MURAM mem for Transmit internal temp data pointer\n"); ret = -ENOMEM; goto free_riptr; |