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dmaengine: ti: k3-udma: Use PTR_ERR_OR_ZERO() to simplify code

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Fixes coccicheck warnings:

drivers/dma/ti/k3-udma.c:1294:1-3: WARNING: PTR_ERR_OR_ZERO can be used
drivers/dma/ti/k3-udma.c:1311:1-3: WARNING: PTR_ERR_OR_ZERO can be used
drivers/dma/ti/k3-udma.c:1376:1-3: WARNING: PTR_ERR_OR_ZERO can be used

Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Samuel Zou <zou_wei@huawei.com>
Link: https://lore.kernel.org/r/1588757146-38858-1-git-send-email-zou_wei@huawei.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
This commit is contained in:
Samuel Zou 2020-05-06 17:25:46 +08:00 committed by Vinod Koul
parent c794f7edbc
commit 214a0006b2
1 changed files with 3 additions and 9 deletions
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12
drivers/dma/ti/k3-udma.c
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@ -1291,10 +1291,8 @@ static int udma_get_tchan(struct udma_chan *uc)
}
uc->tchan = __udma_reserve_tchan(ud, uc->config.channel_tpl, -1);
if (IS_ERR(uc->tchan))
return PTR_ERR(uc->tchan);
return 0;
return PTR_ERR_OR_ZERO(uc->tchan);
}
static int udma_get_rchan(struct udma_chan *uc)
@ -1308,10 +1306,8 @@ static int udma_get_rchan(struct udma_chan *uc)
}
uc->rchan = __udma_reserve_rchan(ud, uc->config.channel_tpl, -1);
if (IS_ERR(uc->rchan))
return PTR_ERR(uc->rchan);
return 0;
return PTR_ERR_OR_ZERO(uc->rchan);
}
static int udma_get_chan_pair(struct udma_chan *uc)
@ -1373,10 +1369,8 @@ static int udma_get_rflow(struct udma_chan *uc, int flow_id)
}
uc->rflow = __udma_get_rflow(ud, flow_id);
if (IS_ERR(uc->rflow))
return PTR_ERR(uc->rflow);
return 0;
return PTR_ERR_OR_ZERO(uc->rflow);
}
static void udma_put_rchan(struct udma_chan *uc)