[PATCH v1 1/1] ASoC: SOF: probes: Check ops before memory allocation

[Andy Shevchenko]

We may check ops before spending resources on memory allocation.
While at it, utilize dev_get_platdata() helper.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
---
 sound/soc/sof/sof-client-probes.c | 14 ++++++--------
 1 file changed, 6 insertions(+), 8 deletions(-)

diff --git a/sound/soc/sof/sof-client-probes.c b/sound/soc/sof/sof-client-probes.c
index d08395182b1a..fff126808bc0 100644
--- a/sound/soc/sof/sof-client-probes.c
+++ b/sound/soc/sof/sof-client-probes.c
@@ -399,23 +399,21 @@ static int sof_probes_client_probe(struct auxiliary_device *auxdev,
 	if (!sof_probes_enabled)
 		return -ENXIO;
 
-	if (!dev->platform_data) {
+	ops = dev_get_platdata(dev);
+	if (!ops) {
 		dev_err(dev, "missing platform data\n");
 		return -ENODEV;
 	}
-
-	priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
-	if (!priv)
-		return -ENOMEM;
-
-	ops = dev->platform_data;
-
 	if (!ops->startup || !ops->shutdown || !ops->set_params || !ops->trigger ||
 	    !ops->pointer) {
 		dev_err(dev, "missing platform callback(s)\n");
 		return -ENODEV;
 	}
 
+	priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
+	if (!priv)
+		return -ENOMEM;
+
 	priv->host_ops = ops;
 
 	switch (sof_client_get_ipc_type(cdev)) {
-- 
2.35.1