In case of error, the function devm_ioremap_resource() returns ERR_PTR() and never returns NULL. The NULL test in the return value check should be replaced with IS_ERR().
Fixes: d7bff893e04f ("ASoC: sprd: Add Spreadtrum multi-channel data transfer support") Signed-off-by: Wei Yongjun weiyongjun1@huawei.com --- sound/soc/sprd/sprd-mcdt.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/sound/soc/sprd/sprd-mcdt.c b/sound/soc/sprd/sprd-mcdt.c index 28f5e649733d..e9318d7a4810 100644 --- a/sound/soc/sprd/sprd-mcdt.c +++ b/sound/soc/sprd/sprd-mcdt.c @@ -951,8 +951,8 @@ static int sprd_mcdt_probe(struct platform_device *pdev)
res = platform_get_resource(pdev, IORESOURCE_MEM, 0); mcdt->base = devm_ioremap_resource(&pdev->dev, res); - if (!mcdt->base) - return -ENOMEM; + if (IS_ERR(mcdt->base)) + return PTR_ERR(mcdt->base);
mcdt->dev = &pdev->dev; spin_lock_init(&mcdt->lock);