From: Marek Lindner <mareklindner@neomailbox.ch>
To: b.a.t.m.a.n@lists.open-mesh.org
Subject: Re: [B.A.T.M.A.N.] [PATCHv4 maint 4/5] batman-adv: Make MCAST capability changes atomic
Date: Wed, 17 Jun 2015 18:39:54 +0800 [thread overview]
Message-ID: <2232099.V71YVDPq5t@voltaire> (raw)
In-Reply-To: <1434467426-4281-5-git-send-email-linus.luessing@c0d3.blue>
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On Tuesday, June 16, 2015 17:10:25 Linus Lüssing wrote:
> Bitwise OR/AND assignments in C aren't guaranteed to be atomic. One
> OGM handler might undo the set/clear of a specific bit from another
> handler run in between.
>
> Fix this by using the atomic set_bit()/clear_bit() functions.
>
> Fixes: 77ec494490d6 ("batman-adv: Announce new capability via multicast
> TVLV") Signed-off-by: Linus Lüssing <linus.luessing@c0d3.blue>
> ---
> multicast.c | 6 +++---
> 1 file changed, 3 insertions(+), 3 deletions(-)
Applied in revision 201a54b.
Thanks,
Marek
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next prev parent reply other threads:[~2015-06-17 10:39 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-06-16 15:10 [B.A.T.M.A.N.] [PATCHv4 maint 0/5] Fixes for parallel OGM processing Linus Lüssing
2015-06-16 15:10 ` [B.A.T.M.A.N.] [PATCHv4 maint 1/5] batman-adv: Make DAT capability changes atomic Linus Lüssing
2015-06-17 10:35 ` Marek Lindner
2015-06-16 15:10 ` [B.A.T.M.A.N.] [PATCHv4 maint 2/5] batman-adv: Make NC " Linus Lüssing
2015-06-17 10:37 ` Marek Lindner
2015-06-16 15:10 ` [B.A.T.M.A.N.] [PATCHv4 maint 3/5] batman-adv: Make TT " Linus Lüssing
2015-06-17 10:38 ` Marek Lindner
2015-06-16 15:10 ` [B.A.T.M.A.N.] [PATCHv4 maint 4/5] batman-adv: Make MCAST " Linus Lüssing
2015-06-17 10:39 ` Marek Lindner [this message]
2015-06-16 15:10 ` [B.A.T.M.A.N.] [PATCHv4 maint 5/5] batman-adv: Fix potential synchronization issues in mcast tvlv handler Linus Lüssing
2015-06-17 10:41 ` Marek Lindner
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