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From: Nathan Scott <nathans@sgi.com>
To: Andreas Gruenbacher <agruen@suse.de>
Cc: Andrew Morton <akpm@osdl.org>,
	linux-kernel@vger.kernel.org, "Theodore Ts'o" <tytso@thunk.org>
Subject: Re: [BUG] With size > XATTR_SIZE_MAX, getxattr(2) always returns E2BIG
Date: Mon, 9 Feb 2004 12:26:57 +1100	[thread overview]
Message-ID: <20040209012657.GA1466@frodo> (raw)
In-Reply-To: <1075812739.21199.11.camel@E136.suse.de>

On Tue, Feb 03, 2004 at 01:52:19PM +0100, Andreas Gruenbacher wrote:
> Hello,
> 
> here is a fix for the getxattr and listxattr syscall. Explanation in the
> patch. Could you please apply? Thanks.

Our regression tests tripped a couple of problems with this;
here's a patch on top of yours (which is now 2.6.3-rc1).

cheers.

-- 
Nathan


--- /usr/tmp/TmpDir.13927-0/fs/xattr.c_1.2	2004-02-09 11:42:31.000000000 +1100
+++ fs/xattr.c	2004-02-09 11:37:39.747592560 +1100
@@ -139,7 +139,7 @@
 		if (error)
 			goto out;
 		error = d->d_inode->i_op->getxattr(d, kname, kvalue, size);
-		if (error > 0) {
+		if (size && error > 0) {
 			if (copy_to_user(value, kvalue, error))
 				error = -EFAULT;
 		} else if (error == -ERANGE && size >= XATTR_SIZE_MAX) {
@@ -221,7 +221,7 @@
 		if (error)
 			goto out;
 		error = d->d_inode->i_op->listxattr(d, klist, size);
-		if (error > 0) {
+		if (size && error > 0) {
 			if (copy_to_user(list, klist, error))
 				error = -EFAULT;
 		} else if (error == -ERANGE && size >= XATTR_LIST_MAX) {

  reply	other threads:[~2004-02-09  1:28 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-02-03 12:52 Andreas Gruenbacher
2004-02-09  1:26 ` Nathan Scott [this message]
2004-02-09  2:42   ` Andreas Gruenbacher

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