soundwire: fix usages of device_get_named_child_node()

The documentation for device_get_named_child_node() mentions this
important point:

"
The caller is responsible for calling fwnode_handle_put() on the
returned fwnode pointer.
"

Add fwnode_handle_put() to avoid leaked references.

Signed-off-by: Pierre-Louis Bossart <[e-mail]>
Signed-off-by: Bard Liao <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Vinod Koul <[e-mail]>

drivers/soundwire/amd_manager.c

···
 	amd_manager->wake_en_mask = wake_en_mask;
 	fwnode_property_read_u32(link, "amd-sdw-power-mode", &power_mode_mask);
 	amd_manager->power_mode_mask = power_mode_mask;
+
+	fwnode_handle_put(link);
+
 	return 0;
 }
 

drivers/soundwire/intel_auxdevice.c

···
 		SDW_MASTER_QUIRKS_CLEAR_INITIAL_PARITY;
 
 	intel_prop = devm_kzalloc(bus->dev, sizeof(*intel_prop), GFP_KERNEL);
-	if (!intel_prop)
+	if (!intel_prop) {
+		fwnode_handle_put(link);
 		return -ENOMEM;
+	}
 
 	/* initialize with hardware defaults, in case the properties are not found */
 	intel_prop->doaise = 0x1;
···
 		intel_prop->doais,
 		intel_prop->dodse,
 		intel_prop->dods);
+
+	fwnode_handle_put(link);
 
 	return 0;
 }

drivers/soundwire/mipi_disco.c

···
 		prop->clk_freq = devm_kcalloc(bus->dev, prop->num_clk_freq,
 					      sizeof(*prop->clk_freq),
 					      GFP_KERNEL);
-		if (!prop->clk_freq)
+		if (!prop->clk_freq) {
+			fwnode_handle_put(link);
 			return -ENOMEM;
+		}
 
 		fwnode_property_read_u32_array(link,
 				"mipi-sdw-clock-frequencies-supported",
···
 		prop->clk_gears = devm_kcalloc(bus->dev, prop->num_clk_gears,
 					       sizeof(*prop->clk_gears),
 					       GFP_KERNEL);
-		if (!prop->clk_gears)
+		if (!prop->clk_gears) {
+			fwnode_handle_put(link);
 			return -ENOMEM;
+		}
 
 		fwnode_property_read_u32_array(link,
 					       "mipi-sdw-supported-clock-gears",
···
 
 	fwnode_property_read_u32(link, "mipi-sdw-command-error-threshold",
 				 &prop->err_threshold);
+
+	fwnode_handle_put(link);
 
 	return 0;
 }
···
 						    dpn[i].num_words,
 						    sizeof(*dpn[i].words),
 						    GFP_KERNEL);
-			if (!dpn[i].words)
+			if (!dpn[i].words) {
+				fwnode_handle_put(node);
 				return -ENOMEM;
+			}
 
 			fwnode_property_read_u32_array(node,
 					"mipi-sdw-port-wordlength-configs",
···
 						       dpn[i].num_channels,
 						       sizeof(*dpn[i].channels),
 						 GFP_KERNEL);
-			if (!dpn[i].channels)
+			if (!dpn[i].channels) {
+				fwnode_handle_put(node);
 				return -ENOMEM;
+			}
 
 			fwnode_property_read_u32_array(node,
 					"mipi-sdw-channel-number-list",
···
 					dpn[i].num_ch_combinations,
 					sizeof(*dpn[i].ch_combinations),
 					GFP_KERNEL);
-			if (!dpn[i].ch_combinations)
+			if (!dpn[i].ch_combinations) {
+				fwnode_handle_put(node);
 				return -ENOMEM;
+			}
 
 			fwnode_property_read_u32_array(node,
 					"mipi-sdw-channel-combination-list",
···
 					 &dpn[i].port_encoding);
 
 		/* TODO: Read audio mode */
+
+		fwnode_handle_put(node);
 
 		i++;
 	}
···
 		prop->dp0_prop = devm_kzalloc(&slave->dev,
 					      sizeof(*prop->dp0_prop),
 					      GFP_KERNEL);
-		if (!prop->dp0_prop)
+		if (!prop->dp0_prop) {
+			fwnode_handle_put(port);
 			return -ENOMEM;
+		}
 
 		sdw_slave_read_dp0(slave, port, prop->dp0_prop);
+
+		fwnode_handle_put(port);
 	}
 
 	/*