[PATCH] USB: serial: cp210x: fix noderef.cocci warnings

[kbuild test robot <lkp@xxxxxxxxx>]

drivers/usb/serial/cp210x.c:1132:15-21: ERROR: application of sizeof to pointer

 sizeof when applied to a pointer typed expression gives the size of
 the pointer

Generated by: scripts/coccinelle/misc/noderef.cocci

CC: Martyn Welch <martyn.welch@xxxxxxxxxxxxxxx>
Signed-off-by: Fengguang Wu <fengguang.wu@xxxxxxxxx>
---

 cp210x.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/usb/serial/cp210x.c
+++ b/drivers/usb/serial/cp210x.c
@@ -1129,7 +1129,7 @@ static int cp210x_shared_gpio_init(struc
 	if ((tmp & CP210X_FEATURE_HAS_SHARED_GPIO) == 0)
 		return 0;
 
-	buf = kzalloc(sizeof(buf), GFP_KERNEL);
+	buf = kzalloc(sizeof(*buf), GFP_KERNEL);
 	if (!buf)
 		return -ENOMEM;
 
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