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rxrpc: Fix _usecs_to_jiffies() by using usecs_to_jiffies()

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[ Upstream commit acde891c243c1ed85b19d4d5042bdf00914f5739 ]

Directly using _usecs_to_jiffies() might be unsafe, so it's
better to use usecs_to_jiffies() instead.
Because we can see that the result of _usecs_to_jiffies()
could be larger than MAX_JIFFY_OFFSET values without the
check of the input.

Fixes: c410bf0193 ("Fix the excessive initial retransmission timeout")
Signed-off-by: Jiasheng Jiang <jiasheng@iscas.ac.cn>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Jiasheng Jiang 2021-09-24 03:18:37 +00:00 committed by Greg Kroah-Hartman
parent 03725f7125
commit 78fb8c9992
1 changed files with 1 additions and 1 deletions
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net/rxrpc/rtt.c
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@ -22,7 +22,7 @@ static u32 rxrpc_rto_min_us(struct rxrpc_peer *peer)
static u32 __rxrpc_set_rto(const struct rxrpc_peer *peer)
{
return _usecs_to_jiffies((peer->srtt_us >> 3) + peer->rttvar_us);
return usecs_to_jiffies((peer->srtt_us >> 3) + peer->rttvar_us);
}
static u32 rxrpc_bound_rto(u32 rto)