[PATCH] Input: fix err_cast.cocci warnings

drivers/input/touchscreen/cyttsp_core.c:637:9-16: WARNING: ERR_CAST can be used with pdata


 Use ERR_CAST inlined function instead of ERR_PTR(PTR_ERR(...))

Generated by: scripts/coccinelle/api/err_cast.cocci

CC: Oreste Salerno <redacted>
Signed-off-by: Fengguang Wu <redacted>
---

 cyttsp_core.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/input/touchscreen/cyttsp_core.c
+++ b/drivers/input/touchscreen/cyttsp_core.c

@@ -634,7 +634,7 @@ struct cyttsp *cyttsp_probe(const struct
 
 	pdata = cyttsp_get_platform_data(dev);
 	if (IS_ERR(pdata))
-		return ERR_PTR(PTR_ERR(pdata));
+		return ERR_CAST(pdata);
 
 	ts = kzalloc(sizeof(*ts) + xfer_buf_size, GFP_KERNEL);
 	input_dev = input_allocate_device();