linux-kernel - [PATCH] usb: core: Do not use sizeof on pointer type

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Message-Id: <1461304310-4808-1-git-send-email-vaishali.thakkar@oracle.com>
Date:	Fri, 22 Apr 2016 11:21:50 +0530
From:	Vaishali Thakkar <vaishali.thakkar@...cle.com>
To:	gregkh@...uxfoundation.org
Cc:	linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org,
	Vaishali Thakkar <vaishali.thakkar@...cle.com>
Subject: [PATCH] usb: core: Do not use sizeof on pointer type

When sizeof is applied to a pointer typed expression, it gives
the size of the pointer. So, do not use sizeof on pointer type.

Problem found using Coccinelle.

Signed-off-by: Vaishali Thakkar <vaishali.thakkar@...cle.com>
---
 drivers/usb/core/hcd.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c
index 2ca2cef..2aa352d 100644
--- a/drivers/usb/core/hcd.c
+++ b/drivers/usb/core/hcd.c
@@ -1386,7 +1386,7 @@ static int hcd_alloc_coherent(struct usb_bus *bus,
 		return -EFAULT;
 	}
 
-	vaddr = hcd_buffer_alloc(bus, size + sizeof(vaddr),
+	vaddr = hcd_buffer_alloc(bus, size + sizeof(*vaddr),
 				 mem_flags, dma_handle);
 	if (!vaddr)
 		return -ENOMEM;
-- 
2.1.4