OMAPDSS: picodlp: use devm_kzalloc for allocating driver data

Use devm_kzalloc instead of kzalloc to allocate driver data for the picodlp
panel driver. This simplifies the driver's probe and remove functions.

Signed-off-by: Archit Taneja <archit@ti.com>

1 files changed, 6 insertions, 10 deletions

diff --git a/drivers/video/omap2/displays/panel-picodlp.c b/drivers/video/omap2/displays/panel-picodlp.c
index 974ac29236aa..56d536cabf50 100644
--- a/drivers/video/omap2/displays/panel-picodlp.c
+++ b/drivers/video/omap2/displays/panel-picodlp.c
@@ -423,11 +423,11 @@ static int picodlp_panel_probe(struct omap_dss_device *dssdev)
         struct picodlp_panel_data *picodlp_pdata = get_panel_data(dssdev);
         struct i2c_adapter *adapter;
         struct i2c_client *picodlp_i2c_client;
-        int r = 0, picodlp_adapter_id;
+        int picodlp_adapter_id;
 
         dssdev->panel.timings = pico_ls_timings;
 
-        picod =  kzalloc(sizeof(struct picodlp_data), GFP_KERNEL);
+        picod = devm_kzalloc(&dssdev->dev, sizeof(*picod), GFP_KERNEL);
         if (!picod)
                 return -ENOMEM;
 
@@ -438,25 +438,21 @@ static int picodlp_panel_probe(struct omap_dss_device *dssdev)
         adapter = i2c_get_adapter(picodlp_adapter_id);
         if (!adapter) {
                 dev_err(&dssdev->dev, "can't get i2c adapter\n");
-                r = -ENODEV;
-                goto err;
+                return -ENODEV;
         }
 
         picodlp_i2c_client = i2c_new_device(adapter, &picodlp_i2c_board_info);
         if (!picodlp_i2c_client) {
                 dev_err(&dssdev->dev, "can't add i2c device::"
                                          " picodlp_i2c_client is NULL\n");
-                r = -ENODEV;
-                goto err;
+                return -ENODEV;
         }
 
         picod->picodlp_i2c_client = picodlp_i2c_client;
 
         dev_set_drvdata(&dssdev->dev, picod);
-        return r;
-err:
-        kfree(picod);
-        return r;
+
+        return 0;
 }
 
 static void picodlp_panel_remove(struct omap_dss_device *dssdev)