From: Colin Ian King <colin.king@xxxxxxxxxxxxx>
The call to platform_get_resource can potentially return a NULL pointer
on failure, so add this check and return -EINVAL if it fails.
Addresses-Coverity: ("Dereference null return")
Fixes: e95c237d78c0 ("hwmon: (dme1737) Add sch311x support")
Signed-off-by: Colin Ian King <colin.king@xxxxxxxxxxxxx>
---
drivers/hwmon/dme1737.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/hwmon/dme1737.c b/drivers/hwmon/dme1737.c
index c1e4cfb40c3d..a2157872e126 100644
--- a/drivers/hwmon/dme1737.c
+++ b/drivers/hwmon/dme1737.c
@@ -2633,6 +2633,8 @@ static int dme1737_isa_probe(struct platform_device *pdev)
int err;
res = platform_get_resource(pdev, IORESOURCE_IO, 0);
+ if (!res)
+ return -EINVAL;
if (!devm_request_region(dev, res->start, DME1737_EXTENT, "dme1737")) {
dev_err(dev, "Failed to request region 0x%04x-0x%04x.\n",
(unsigned short)res->start,
--
2.30.2
