drivers: video: omap2: dss: Use PTR_RET function

Author: Alexandru Gheorghiu <gheorghiuandru@gmail.com>

Use PTR_RET function instead of IS_ERR and PTR_ERR.
Patch found using coccinelle.

Signed-off-by: Alexandru Gheorghiu 
Signed-off-by: Tomi Valkeinen 
---
 drivers/video/omap2/dss/core.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)
 
diff --git a/drivers/video/omap2/dss/core.c b/drivers/video/omap2/dss/core.c
index f8779d4..60cc6fe 100644
--- a/drivers/video/omap2/dss/core.c
+++ b/drivers/video/omap2/dss/core.c
@@ -181,10 +181,7 @@ int dss_debugfs_create_file(const char *name, void (*write)(struct seq_file *))
 	d = debugfs_create_file(name, S_IRUGO, dss_debugfs_dir,
 			write, &dss_debug_fops);
 
-	if (IS_ERR(d))
-		return PTR_ERR(d);
-
-	return 0;
+	return PTR_RET(d);
 }
 #else /* CONFIG_OMAP2_DSS_DEBUGFS */
 static inline int dss_initialize_debugfs(void)