linux-kernel - [PATCH virt-pci] Fix application of sizeof to pointer

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Date:   Tue, 12 Oct 2021 11:23:33 +0800
From:   davidcomponentone@...il.com
To:     jdike@...toit.com
Cc:     richard@....at, anton.ivanov@...bridgegreys.com,
        johannes.berg@...el.com, davidcomponentone@...il.com,
        linux-um@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Zeal Robot <zealci@....com.cn>
Subject: [PATCH virt-pci] Fix application of sizeof to pointer

From: David Yang <davidcomponentone@...il.com>

The coccinelle check report:
"./arch/um/drivers/virt-pci.c:192:20-26:
ERROR: application of sizeof to pointer"
Using the "sizeof(buf->data)" to fix it.

Reported-by: Zeal Robot <zealci@....com.cn>
Signed-off-by: David Yang <davidcomponentone@...il.com>
---
 arch/um/drivers/virt-pci.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/um/drivers/virt-pci.c b/arch/um/drivers/virt-pci.c
index c08066633023..705275c5176c 100644
--- a/arch/um/drivers/virt-pci.c
+++ b/arch/um/drivers/virt-pci.c
@@ -189,7 +189,7 @@ static unsigned long um_pci_cfgspace_read(void *priv, unsigned int offset,
 	buf = get_cpu_var(um_pci_msg_bufs);
 	data = buf->data;
 
-	memset(data, 0xff, sizeof(data));
+	memset(data, 0xff, sizeof(buf->data));
 
 	switch (size) {
 	case 1:
-- 
2.30.2