rxrpc: Fix _usecs_to_jiffies() by using usecs_to_jiffies()
authorJiasheng Jiang <jiasheng@iscas.ac.cn>
Fri, 24 Sep 2021 03:18:37 +0000 (03:18 +0000)
committerDavid S. Miller <davem@davemloft.net>
Fri, 24 Sep 2021 13:18:34 +0000 (14:18 +0100)
commitacde891c243c1ed85b19d4d5042bdf00914f5739
treebcbf4781a2904c9271e215676c4861c63354a9b4
parent40bc6063796ec77b6073861f9a1993be20d5befd
rxrpc: Fix _usecs_to_jiffies() by using usecs_to_jiffies()

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: c410bf01933e ("Fix the excessive initial retransmission timeout")
Signed-off-by: Jiasheng Jiang <jiasheng@iscas.ac.cn>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/rxrpc/rtt.c