[PATCH linux dev-5.4 2/2] i2c: fsi: Prevent adding adapters for ports without dts nodes

Eddie James eajames at linux.ibm.com
Wed May 20 05:39:36 AEST 2020


Ports should be defined in the devicetree if they are to be enabled on
the system.

Signed-off-by: Eddie James <eajames at linux.ibm.com>
---
 drivers/i2c/busses/i2c-fsi.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/i2c/busses/i2c-fsi.c b/drivers/i2c/busses/i2c-fsi.c
index 977d6f524649..d6ea502521a5 100644
--- a/drivers/i2c/busses/i2c-fsi.c
+++ b/drivers/i2c/busses/i2c-fsi.c
@@ -703,7 +703,7 @@ static int fsi_i2c_probe(struct device *dev)
 
 	for (port_no = 0; port_no < ports; port_no++) {
 		np = fsi_i2c_find_port_of_node(dev->of_node, port_no);
-		if (np && !of_device_is_available(np))
+		if (!np || !of_device_is_available(np))
 			continue;
 
 		port = kzalloc(sizeof(*port), GFP_KERNEL);
-- 
2.24.0



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