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| author | Eric Dumazet <edumazet@google.com> | 2016-05-18 00:44:06 (GMT) |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2016-05-19 18:36:49 (GMT) |
| commit | 7cb001d4c4fa7e1cc1a55388a9544e160dddc610 (patch) | |
| tree | 4a2f977161dfee41fb332eafac0bc420aba7c69a /net/rds/tcp_recv.c | |
| parent | e00be9e4d0ffcc0121606229f0aa4b246d6881d7 (diff) | |
| download | linux-7cb001d4c4fa7e1cc1a55388a9544e160dddc610.tar.xz | |
scsi_tcp: block BH in TCP callbacks
iscsi_sw_tcp_data_ready() and iscsi_sw_tcp_state_change() were
using read_lock(&sk->sk_callback_lock) which is fine if caller
disabled BH.
TCP stack no longer has this requirement and can run from
process context.
Use read_lock_bh() variant to restore previous assumption.
Ideally this code could use RCU instead...
Fixes: 5413d1babe8f ("net: do not block BH while processing socket backlog")
Fixes: d41a69f1d390 ("tcp: make tcp_sendmsg() aware of socket backlog")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Mike Christie <michaelc@cs.wisc.edu>
Cc: Venkatesh Srinivas <venkateshs@google.com>
Acked-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/rds/tcp_recv.c')
0 files changed, 0 insertions, 0 deletions