netdev - [PATCH v4 0/2] [net] af_unix: return data from multiple SKBs on recv() with MSG

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Date:	Sat, 26 Sep 2015 18:50:41 -0400
From:	Aaron Conole <aconole@...heb.org>
To:	netdev@...r.kernel.org
Cc:	David Miller <davem@...emloft.net>,
	Eric Dumazet <eric.dumazet@...il.com>,
	Sergei Shtylyov <sergei.shtylyov@...entembedded.com>,
	Aaron Conole <aconole@...heb.org>
Subject: [PATCH v4 0/2] [net] af_unix: return data from multiple SKBs on recv() with MSG_PEEK flag

This patch set implements a bugfix for kernel.org bugzilla #12323, allowing
MSG_PEEK to return all queued data on the unix domain socket, not just the
data contained in a single SKB. 

This is the v3 version of this patch, which includes a suggested modification
by Eric Dumazet to convert the unix_sk() conversion macro to a static inline
function. These patches are independent and can be applied separately.

This set was tested over a 24-hour period, utilizing a loop continually 
executing the bugzilla issue attached python code. It was instrumented with
a pr_err_once() ([   13.798683] unix: went there at least one time).

v2->v3:
 - Added Eric Dumazet's suggestion for #define to static inline
 - Fixed an issue calling unix_state_lock() with an invalid argument

v3->v4:
 - Eliminated an XXX comment
 - Changed from goto unlock to explicit unix_state_unlock() and break

Aaron Conole (2):
  [net] af_unix: Convert the unix_sk macro to an inline function for    
    type safety
  [net] af_unix: return data from multiple SKBs on recv() with MSG_PEEK
    flag

 include/net/af_unix.h |  6 +++++-
 net/unix/af_unix.c    | 19 +++++++++++++++++--
 2 files changed, 22 insertions(+), 3 deletions(-)

-- 
1.9.1

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