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authorWei Yongjun <weiyongjun1@huawei.com>2020-04-27 11:40:52 +0200
committerDavid S. Miller <davem@davemloft.net>2020-05-01 05:39:22 +0200
commitc4db9934a33e5f276965a14b3eea7a6d64c85065 (patch)
tree9ece078706339399f2c419f80a2bc314bc7d8851 /drivers/net/ethernet/xilinx
parentnet: ethernet: fec: Revert "net: ethernet: fec: Replace interrupt driven MDIO... (diff)
downloadlinux-c4db9934a33e5f276965a14b3eea7a6d64c85065.tar.xz
linux-c4db9934a33e5f276965a14b3eea7a6d64c85065.zip
net: ll_temac: Fix return value check in temac_probe()
In case of error, the function devm_ioremap() returns NULL pointer not ERR_PTR(). The IS_ERR() test in the return value check should be replaced with NULL test. Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com> Acked-by: Esben Haabendal <esben@geanix.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/xilinx')
-rw-r--r--drivers/net/ethernet/xilinx/ll_temac_main.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/net/ethernet/xilinx/ll_temac_main.c b/drivers/net/ethernet/xilinx/ll_temac_main.c
index 3e313e71ae36..929244064abd 100644
--- a/drivers/net/ethernet/xilinx/ll_temac_main.c
+++ b/drivers/net/ethernet/xilinx/ll_temac_main.c
@@ -1410,9 +1410,9 @@ static int temac_probe(struct platform_device *pdev)
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
lp->regs = devm_ioremap(&pdev->dev, res->start,
resource_size(res));
- if (IS_ERR(lp->regs)) {
+ if (!lp->regs) {
dev_err(&pdev->dev, "could not map TEMAC registers\n");
- return PTR_ERR(lp->regs);
+ return -ENOMEM;
}
/* Select register access functions with the specified
@@ -1505,10 +1505,10 @@ static int temac_probe(struct platform_device *pdev)
res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
lp->sdma_regs = devm_ioremap(&pdev->dev, res->start,
resource_size(res));
- if (IS_ERR(lp->sdma_regs)) {
+ if (!lp->sdma_regs) {
dev_err(&pdev->dev,
"could not map DMA registers\n");
- return PTR_ERR(lp->sdma_regs);
+ return -ENOMEM;
}
if (pdata->dma_little_endian) {
lp->dma_in = temac_dma_in32_le;