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authorPetr Machata <petrm@mellanox.com>2019-02-17 10:18:41 +0300
committerDavid S. Miller <davem@davemloft.net>2019-02-17 21:13:46 +0300
commit289460404f6947ef1c38e67d680be9a84161250b (patch)
treeb944cbd0701eccb1a365b9b91ae5e5181b1ee288 /Documentation/networking/msg_zerocopy.rst
parent6e1077f51436e5ca9c415aec503333de1187b89a (diff)
downloadlinux-289460404f6947ef1c38e67d680be9a84161250b.tar.xz
mlxsw: __mlxsw_sp_port_headroom_set(): Fix a use of local variable
The function-local variable "delay" enters the loop interpreted as delay in bits. However, inside the loop it gets overwritten by the result of mlxsw_sp_pg_buf_delay_get(), and thus leaves the loop as quantity in cells. Thus on second and further loop iterations, the headroom for a given priority is configured with a wrong size. Fix by introducing a loop-local variable, delay_cells. Rename thres to thres_cells for consistency. Fixes: f417f04da589 ("mlxsw: spectrum: Refactor port buffer configuration") Signed-off-by: Petr Machata <petrm@mellanox.com> Acked-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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