From: Oleg Drokin <green@linuxhacker.ru>
To: marcelo@conectiva.com.br, linux-kernel@vger.kernel.org
Cc: mlindner@syskonnect.de
Subject: [PATCH] [2.4] Fix memleak on error exit path in sk98 driver.
Date: Sun, 21 Sep 2003 15:45:29 +0400 [thread overview]
Message-ID: <20030921114529.GA31747@linuxhacker.ru> (raw)
Hello!
There is a trivial memleak in sk98 ioctl handling routinue,
the patch is also trivial. Please apply.
Found with help of smatch.
===== drivers/net/sk98lin/skge.c 1.14 vs edited =====
--- 1.14/drivers/net/sk98lin/skge.c Wed Sep 3 21:15:10 2003
+++ edited/drivers/net/sk98lin/skge.c Sun Sep 21 15:38:01 2003
@@ -3616,20 +3616,21 @@
Length = sizeof(pAC->PnmiStruct) + HeaderLength;
}
if (NULL == (pMemBuf = kmalloc(Length, GFP_KERNEL))) {
- return -EFAULT;
+ return -ENOMEM;
}
if(copy_from_user(pMemBuf, Ioctl.pData, Length)) {
- return -EFAULT;
+ goto fault;
}
if ((Ret = SkPnmiGenIoctl(pAC, pAC->IoBase, pMemBuf, &Length, 0)) < 0) {
- return -EFAULT;
+ goto fault;
}
if(copy_to_user(Ioctl.pData, pMemBuf, Length) ) {
- return -EFAULT;
+ goto fault;
}
Ioctl.Len = Length;
if(copy_to_user(rq->ifr_data, &Ioctl, sizeof(SK_GE_IOCTL))) {
- return -EFAULT;
+fault:
+ Err = -EFAULT;
}
kfree(pMemBuf); /* cleanup everything */
break;
next reply other threads:[~2003-09-21 11:45 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-09-21 11:45 Oleg Drokin [this message]
2003-09-21 14:14 ` [PATCH] [2.4] Fix memleak on error exit path in sk98 driver Mirko Lindner
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=20030921114529.GA31747@linuxhacker.ru \
--to=green@linuxhacker.ru \
--cc=linux-kernel@vger.kernel.org \
--cc=marcelo@conectiva.com.br \
--cc=mlindner@syskonnect.de \
/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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.