From: Peter Hurley <peter@hurleysoftware.com>
To: "Svenning Sørensen" <sss@secomea.dk>
Cc: Andrew Morton <akpm@linux-foundation.org>, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] IPC: bugfix for msgrcv with msgtyp < 0
Date: Sat, 24 Aug 2013 08:49:25 -0400 [thread overview]
Message-ID: <5218ABD5.1000400@hurleysoftware.com> (raw)
In-Reply-To: <52189CB1.9030806@secomea.dk>
On 08/24/2013 07:44 AM, Svenning Sørensen wrote:
> According to 'man msgrcv':
> "If msgtyp is less than 0, the first message of the lowest type that is less
> than or equal to the absolute value of msgtyp shall be received."
>
> Bug: The kernel only returns a message if its type is 1; other messages with
> type < abs(msgtype) will never get returned.
>
> Fix: After having traversed the list to find the first message with the
> lowest type, we need to actually return that message.
Sorry for the breakage. Needs to go to -stable as well.
Reviewed-by: Peter Hurley <peter@hurleysoftware.com>
next prev parent reply other threads:[~2013-08-24 12:49 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-08-24 11:44 [PATCH] IPC: bugfix for msgrcv with msgtyp < 0 Svenning Sørensen
2013-08-24 12:49 ` Peter Hurley [this message]
2013-08-26 20:42 ` Andrew Morton
2013-08-26 20:59 ` Peter Hurley
2013-08-26 20:41 ` Andrew Morton
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