From: Tiezhu Yang <yangtiezhu@xxxxxxxxxxx>
[ Upstream commit bcd14bb7a68520bf88e45e91d354e43535624f82 ]
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@xxxxxxxxxxx>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@xxxxxxxxxx>
Link: https://lore.kernel.org/r/20200722100705.7772-2-srinivas.kandagatla@xxxxxxxxxx
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
drivers/nvmem/sprd-efuse.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/nvmem/sprd-efuse.c b/drivers/nvmem/sprd-efuse.c
index 925feb21d5adf..59523245db8a5 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) {
--
2.25.1
