On Mon, Jun 21, 2021 at 03:18:57PM +0200, Håkon Bugge wrote:
> An approximation for the PacketLifeTime is half the local ACK timeout.
> The encoding for both timers are logarithmic. The PacketLifeTime
> calculation is wrong when local ACK timeout is zero. In that case,
> PacketLifeTime is set to the incorrect value 255.
>
> Fixed by explicitly testing for timeout being zero.
>
> Fixes: e1ee1e62bec4 ("RDMA/cma: Use ACK timeout for RoCE packetLifeTime")
> Signed-off-by: Håkon Bugge <haakon.bugge@xxxxxxxxxx>
>
> ---
>
> * Note: This commit must be merged after ("RDMA/cma: Replace
> RMW with atomic bit-ops")
> ---
> drivers/infiniband/core/cma.c | 8 +++++---
> 1 file changed, 5 insertions(+), 3 deletions(-)
>
Thanks,
Reviewed-by: Leon Romanovsky <leonro@xxxxxxxxxx>
