nvmem: sprd: Fix return value of sprd_efuse_probe()
When call function devm_platform_ioremap_resource(), we should use IS_ERR()
to check the return value and return PTR_ERR() if failed.
Fixes: 096030e7f449 ("nvmem: sprd: Add Spreadtrum SoCs eFuse support")
Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20200722100705.7772-2-srinivas.kandagatla@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/nvmem/sprd-efuse.c b/drivers/nvmem/sprd-efuse.c
index 925feb2..5952324 100644
--- a/drivers/nvmem/sprd-efuse.c
+++ b/drivers/nvmem/sprd-efuse.c
@@ -378,8 +378,8 @@ static int sprd_efuse_probe(struct platform_device *pdev)
return -ENOMEM;
efuse->base = devm_platform_ioremap_resource(pdev, 0);
- if (!efuse->base)
- return -ENOMEM;
+ if (IS_ERR(efuse->base))
+ return PTR_ERR(efuse->base);
ret = of_hwspin_lock_get_id(np, 0);
if (ret < 0) {