net: igmp: increase size of mr_ifc_count
[ Upstream commit b69dd5b3 ] Some arches support cmpxchg() on 4-byte and 8-byte only. Increase mr_ifc_count width to 32bit to fix this problem. Fixes: 4a2b285e ("net: igmp: fix data-race in igmp_ifc_timer_expire()") Signed-off-by:Eric Dumazet <edumazet@google.com> Reported-by:
Guenter Roeck <linux@roeck-us.net> Link: https://lore.kernel.org/r/20210811195715.3684218-1-eric.dumazet@gmail.com Signed-off-by:
Jakub Kicinski <kuba@kernel.org> Signed-off-by:
Sasha Levin <sashal@kernel.org>
parent
696afe28
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