[PATCH] ehca: remove driver_data direct access of struct device

[Roel Kluin]

To avoid direct access to the driver_data pointer in struct device, the
functions dev_get_drvdata() and dev_set_drvdata() should be used.

Signed-off-by: Roel Kluin <roel.kluin@xxxxxxxxx>
---
diff --git a/drivers/infiniband/hw/ehca/ehca_main.c b/drivers/infiniband/hw/ehca/ehca_main.c
index 368311c..5acfb4c 100644
--- a/drivers/infiniband/hw/ehca/ehca_main.c
+++ b/drivers/infiniband/hw/ehca/ehca_main.c
@@ -749,7 +749,7 @@ static int __devinit ehca_probe(struct of_device *dev,
 
 	shca->ofdev = dev;
 	shca->ipz_hca_handle.handle = *handle;
-	dev->dev.driver_data = shca;
+	dev_set_drvdata(&dev->dev, shca);
 
 	ret = ehca_sense_attributes(shca);
 	if (ret < 0) {
@@ -878,7 +878,7 @@ probe1:
 
 static int __devexit ehca_remove(struct of_device *dev)
 {
-	struct ehca_shca *shca = dev->dev.driver_data;
+	struct ehca_shca *shca = dev_get_drvdata(&dev->dev);
 	unsigned long flags;
 	int ret;
 
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