[PATCH] gpu: Use ERR_CAST to replace ERR_PTR(PTR_ERR())

[zhong jiang]

We prefer to ERR_CAST rather than ERR_PTR(PTR_ERR()), So just
replace it.

The issue is detected with the help of Coccinelle

Signed-off-by: zhong jiang <zhongjiang@xxxxxxxxxx>
---
 drivers/gpu/drm/omapdrm/dss/dss.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/omapdrm/dss/dss.c b/drivers/gpu/drm/omapdrm/dss/dss.c
index cb80dda..1fc46b2 100644
--- a/drivers/gpu/drm/omapdrm/dss/dss.c
+++ b/drivers/gpu/drm/omapdrm/dss/dss.c
@@ -956,7 +956,7 @@ struct dss_debugfs_entry *
 				&dss_debug_fops);
 	if (IS_ERR(d)) {
 		kfree(entry);
-		return ERR_PTR(PTR_ERR(d));
+		return ERR_CAST(d);
 	}
 
 	entry->dentry = d;
-- 
1.7.12.4