Sabrina Dubroca dfbafc9953 tcp: fix recv with flags MSG_WAITALL | MSG_PEEK ...

Currently, tcp_recvmsg enters a busy loop in sk_wait_data if called
with flags = MSG_WAITALL | MSG_PEEK.

sk_wait_data waits for sk_receive_queue not empty, but in this case,
the receive queue is not empty, but does not contain any skb that we
can use.

Add a "last skb seen on receive queue" argument to sk_wait_data, so
that it sleeps until the receive queue has new skbs.

Link: https://bugzilla.kernel.org/show_bug.cgi?id=99461
Link: https://sourceware.org/bugzilla/show_bug.cgi?id=18493
Link: https://bugzilla.redhat.com/show_bug.cgi?id=1205258
Reported-by: Enrico Scholz <[email protected]>
Reported-by: Dan Searle <[email protected]>
Signed-off-by: Sabrina Dubroca <[email protected]>
Acked-by: Eric Dumazet <[email protected]>
Signed-off-by: David S. Miller <[email protected]>

2015-07-27 01:06:53 -07:00

..

af_llc.c

tcp: fix recv with flags MSG_WAITALL | MSG_PEEK

2015-07-27 01:06:53 -07:00

Kconfig

…

llc_c_ac.c

…

llc_c_ev.c

…

llc_c_st.c

…

llc_conn.c

net: Pass kern from net_proto_family.create to sk_alloc

2015-05-11 10:50:17 -04:00

llc_core.c

…

llc_if.c

…

llc_input.c

…

llc_output.c

…

llc_pdu.c

…

llc_proc.c

…

llc_s_ac.c

…

llc_s_ev.c

…

llc_s_st.c

llc: Make llc_sap_action_t function pointer arrays const

2014-12-10 15:21:24 -05:00

llc_sap.c

llc: Make llc_sap_action_t function pointer arrays const

2014-12-10 15:21:24 -05:00

llc_station.c

…

Makefile

…

sysctl_net_llc.c

net: llc: use correct size for sysctl timeout entries

2015-01-25 00:23:21 -08:00