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| author |   Tiezhu Yang <yangtiezhu@loongson.cn> | 2020-05-22 19:03:21 +0800 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2020-05-23 16:28:25 -0700 |
| commit | ef24d6c3d6965158dfe23ae961d87e9a343e18a2 (patch) | |
| tree | 923489ccb4df091a557366098084e2541dc0a713 /drivers/net/can/ifi_canfd | |
| parent | Merge tag 'rxrpc-fixes-20200523-v2' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs (diff) | |
| download | linux-dev-ef24d6c3d6965158dfe23ae961d87e9a343e18a2.tar.xz linux-dev-ef24d6c3d6965158dfe23ae961d87e9a343e18a2.zip | |
net: Fix return value about devm_platform_ioremap_resource()
When call function devm_platform_ioremap_resource(), we should use IS_ERR()
to check the return value and return PTR_ERR() if failed.
Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/can/ifi_canfd')
| -rw-r--r-- | drivers/net/can/ifi_canfd/ifi_canfd.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/net/can/ifi_canfd/ifi_canfd.c b/drivers/net/can/ifi_canfd/ifi_canfd.c index 04d59bede5ea..74503cacf594 100644 --- a/drivers/net/can/ifi_canfd/ifi_canfd.c +++ b/drivers/net/can/ifi_canfd/ifi_canfd.c @@ -947,8 +947,11 @@ static int ifi_canfd_plat_probe(struct platform_device *pdev) u32 id, rev; addr = devm_platform_ioremap_resource(pdev, 0); + if (IS_ERR(addr)) + return PTR_ERR(addr); + irq = platform_get_irq(pdev, 0); - if (IS_ERR(addr) || irq < 0) + if (irq < 0) return -EINVAL; id = readl(addr + IFI_CANFD_IP_ID); |