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27 March 2024, 02:37:15 UTC
Revision 143cdd8f33909ff5a153e3f02048738c5964ba26 authored by Akinobu Mita on 26 December 2012, 02:32:10 UTC, committed by David S. Miller on 26 December 2012, 22:13:23 UTC 
batman-adv: fix random jitter calculation
 
batadv_iv_ogm_emit_send_time() attempts to calculates a random integer
in the range of 'orig_interval +- BATADV_JITTER' by the below lines.

        msecs = atomic_read(&bat_priv->orig_interval) - BATADV_JITTER;
        msecs += (random32() % 2 * BATADV_JITTER);

But it actually gets 'orig_interval' or 'orig_interval - BATADV_JITTER'
because '%' and '*' have same precedence and associativity is
left-to-right.

This adds the parentheses at the appropriate position so that it matches
original intension.

Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Acked-by: Antonio Quartulli <ordex@autistici.org>
Cc: Marek Lindner <lindner_marek@yahoo.de>
Cc: Simon Wunderlich <siwu@hrz.tu-chemnitz.de>
Cc: Antonio Quartulli <ordex@autistici.org>
Cc: b.a.t.m.a.n@lists.open-mesh.org
Cc: "David S. Miller" <davem@davemloft.net>
Cc: netdev@vger.kernel.org
Signed-off-by: David S. Miller <davem@davemloft.net>
1 parent cf0be88
History
Tip revision: 143cdd8f33909ff5a153e3f02048738c5964ba26 authored by Akinobu Mita on 26 December 2012, 02:32:10 UTC
batman-adv: fix random jitter calculation
Tip revision: 143cdd8
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