tree a3e032a9ba6bb77337176bef407d7408d6a10a4d
parent d77f873fdd21912803836da78f627d2efd267082
author Eric Dumazet <eric.dumazet@gmail.com> 1273995244 -0700
committer David S. Miller <davem@davemloft.net> 1273995244 -0700

tcp: fix MD5 (RFC2385) support

TCP MD5 support uses percpu data for temporary storage. It currently
disables preemption so that same storage cannot be reclaimed by another
thread on same cpu.

We also have to make sure a softirq handler wont try to use also same
context. Various bug reports demonstrated corruptions.

Fix is to disable preemption and BH.

Reported-by: Bhaskar Dutta <bhaskie@gmail.com>
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>