From: Guenter Roeck <linux@roeck-us.net>
To: devel@driverdev.osuosl.org
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
linux-kernel@vger.kernel.org, Guenter Roeck <linux@roeck-us.net>
Subject: [PATCH] staging: dgrp: Drop unnecessary typecast
Date: Thu, 28 Feb 2013 11:46:57 -0800 [thread overview]
Message-ID: <1362080817-2098-1-git-send-email-linux@roeck-us.net> (raw)
An unnecessary typecast in dgrp_net_ops.c causes the following build error
if compiled with W=1.
In function ‘copy_from_user’, inlined from ‘dgrp_net_ioctl’ at
drivers/staging/dgrp/dgrp_net_ops.c:3408:21:
arch/x86/include/asm/uaccess_32.h:211:26: error: call to
‘copy_from_user_overflow’ declared with attribute error: copy_from_user()
buffer size is not provably correct
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
---
drivers/staging/dgrp/dgrp_net_ops.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/staging/dgrp/dgrp_net_ops.c b/drivers/staging/dgrp/dgrp_net_ops.c
index e6018823..f364e8e 100644
--- a/drivers/staging/dgrp/dgrp_net_ops.c
+++ b/drivers/staging/dgrp/dgrp_net_ops.c
@@ -3405,7 +3405,7 @@ static long dgrp_net_ioctl(struct file *file, unsigned int cmd,
if (size != sizeof(struct link_struct))
return -EINVAL;
- if (copy_from_user((void *)(&link), (void __user *) arg, size))
+ if (copy_from_user(&link, (void __user *)arg, size))
return -EFAULT;
if (link.lk_fast_rate < 9600)
--
1.7.9.7
reply other threads:[~2013-02-28 19:46 UTC|newest]
Thread overview: [no followups] expand[flat|nested] mbox.gz Atom feed
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1362080817-2098-1-git-send-email-linux@roeck-us.net \
--to=linux@roeck-us.net \
--cc=devel@driverdev.osuosl.org \
--cc=gregkh@linuxfoundation.org \
--cc=linux-kernel@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox
all inboxes | Powered by JetHome®