Attachment 866509 Details for Bug 1068862 – patch -- mask off top byte in get_rfc1002_length

[patch] patch -- mask off top byte in get_rfc1002_length

0001-cifs-mask-off-top-byte-in-get_rfc1002_length.patch (text/plain), 987 bytes, created by Jeff Layton on 2014-02-23 00:39:28 UTC

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Creator: Jeff Layton

Created: 2014-02-23 00:39:28 UTC

Size: 987 bytes

patch

obsolete

>From 848c22a7d2eed9e765e45f384dcdee69d7126fe8 Mon Sep 17 00:00:00 2001
>From: Jeff Layton <jlayton@redhat.com>
>Date: Sat, 22 Feb 2014 19:35:38 -0500
>Subject: [PATCH] cifs: mask off top byte in get_rfc1002_length()
>
>The rfc1002 length actually includes a type byte, which we aren't
>masking off. In most cases, it's not a problem since the
>RFC1002_SESSION_MESSAGE type is 0, but when doing a RFC1002 session
>establishment, the type is non-zero and that throws off the returned
>length.
>
>Signed-off-by: Jeff Layton <jlayton@redhat.com>
>---
> fs/cifs/cifsglob.h | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
>diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h
>index e7fe49e75cdb..45376a4a628d 100644
>--- a/fs/cifs/cifsglob.h
>+++ b/fs/cifs/cifsglob.h
>@@ -506,7 +506,7 @@ struct cifs_mnt_data {
> static inline unsigned int
> get_rfc1002_length(void *buf)
> {
>-	return be32_to_cpu(*((__be32 *)buf));
>+	return be32_to_cpu(*((__be32 *)buf)) & 0xffffff;
> }
> 
> static inline void
>-- 
>1.8.5.3
>

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Attachments on bug 1068862: 866509