From: qiurui <happyqiuqiu9604@gmail.com>
To: gregkh@linuxfoundation.org, corbet@lwn.net
Cc: linux-usb@vger.kernel.org, linux-doc@vger.kernel.org, qiurui@kylinos.cn
Subject: [PATCH] docs: usb:gadget:hid: fix hid_gadget_test code in documentation of hid section
Date: Mon, 6 May 2024 10:44:08 +0800 [thread overview]
Message-ID: <20240506024408.19344-1-qiurui@kylinos.cn> (raw)
Fix bzero buffer before read()
Signed-off-by: qiurui <qiurui@kylinos.cn>
---
Documentation/usb/gadget_hid.rst | 2 ++
1 file changed, 2 insertions(+)
diff --git a/Documentation/usb/gadget_hid.rst b/Documentation/usb/gadget_hid.rst
index e623416de4f1..c4ee81a6b48e 100644
--- a/Documentation/usb/gadget_hid.rst
+++ b/Documentation/usb/gadget_hid.rst
@@ -410,6 +410,7 @@ Sample code::
}
if (FD_ISSET(fd, &rfds)) {
+ bzero(buf, SIZE);
cmd_len = read(fd, buf, BUF_LEN - 1);
printf("recv report:");
for (i = 0; i < cmd_len; i++)
@@ -419,6 +420,7 @@ Sample code::
if (FD_ISSET(STDIN_FILENO, &rfds)) {
memset(report, 0x0, sizeof(report));
+ bzero(buf, SIZE);
cmd_len = read(STDIN_FILENO, buf, BUF_LEN - 1);
if (cmd_len == 0)
--
2.34.1
next reply other threads:[~2024-05-06 2:44 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-05-06 2:44 qiurui [this message]
2024-05-06 5:34 ` [PATCH] docs: usb:gadget:hid: fix hid_gadget_test code in documentation of hid section Matthew Wilcox
2024-05-10 9:32 ` Greg KH
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