Ursula Braun 78e6704dd6 net/smc: use after free fix in smc_wr_tx_put_slot() ...

[ Upstream commit e438bae43c ]

In smc_wr_tx_put_slot() field pend->idx is used after being
cleared. That means always idx 0 is cleared in the wr_tx_mask.
This results in a broken administration of available WR send
payload buffers.

Signed-off-by: Ursula Braun <ubraun@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>

2019-12-13 08:51:34 +01:00

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