[PATCH 5.12 098/173] usb: typec: intel_pmc_mux: Add missed error check for devm_ioremap_resource()

[Greg Kroah-Hartman]

From: Andy Shevchenko <andy.shevchenko@xxxxxxxxx>

commit 843fabdd7623271330af07f1b7fbd7fabe33c8de upstream.

devm_ioremap_resource() can return an error, add missed check for it.

Fixes: 43d596e32276 ("usb: typec: intel_pmc_mux: Check the port status before connect")
Reviewed-by: Heikki Krogerus <heikki.krogerus@xxxxxxxxxxxxxxx>
Signed-off-by: Andy Shevchenko <andy.shevchenko@xxxxxxxxx>
Cc: stable <stable@xxxxxxxxxxxxxxx>
Link: https://lore.kernel.org/r/20210607205007.71458-2-andy.shevchenko@xxxxxxxxx
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
 drivers/usb/typec/mux/intel_pmc_mux.c |    5 +++++
 1 file changed, 5 insertions(+)

--- a/drivers/usb/typec/mux/intel_pmc_mux.c
+++ b/drivers/usb/typec/mux/intel_pmc_mux.c
@@ -586,6 +586,11 @@ static int pmc_usb_probe_iom(struct pmc_
 		return -ENOMEM;
 	}
 
+	if (IS_ERR(pmc->iom_base)) {
+		put_device(&adev->dev);
+		return PTR_ERR(pmc->iom_base);
+	}
+
 	pmc->iom_adev = adev;
 
 	return 0;