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Per-netns hashes are independently resizeable.
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Again, to avoid complications with passing netns when not necessary.
Again, ->xp_net is set-once field, once set it never changes.
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Disallow spurious wakeups in __xfrm_lookup().
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
State GC is per-netns, and this is part of it.
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
km_waitq is going to be made per-netns to disallow spurious wakeups
in __xfrm_lookup().
To not wakeup after every garbage-collected xfrm_state (which potentially
can be from different netns) make state GC list per-netns.
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
All of this is implicit passing which netns's hashes should be resized.
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Since hashtables are per-netns, they can be independently resized.
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This is done to get
a) simple "something leaked" check
b) cover possible DoSes when other netns puts many, many xfrm_states
onto a list.
c) not miss "alien xfrm_state" check in some of list iterators in future.
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
To avoid unnecessary complications with passing netns around.
* set once, very early after allocating
* once set, never changes
For a while create every xfrm_state in init_net.
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
fix warning:
drivers/net/3c523.c:582: warning: ‘cleanup_card’ defined but not used
No code changed:
md5:
ebe4a1b27d3f21b0b12a78c58463b0d7 3c523.o.before.asm
ebe4a1b27d3f21b0b12a78c58463b0d7 3c523.o.after.asm
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: David S. Miller <davem@davemloft.net>
fix warning:
drivers/net/depca.c: In function ‘depca_eisa_probe’:
drivers/net/depca.c:1564: warning: ‘mem_start’ may be used uninitialized in this function
this seems to be a real bug - depca_eisa_probe() does not check
for failure. Add it, symmetric to depca_isa_probe().
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: David S. Miller <davem@davemloft.net>
fix this warning:
drivers/net/atlx/atl2.c: In function ‘atl2_request_irq’:
drivers/net/atlx/atl2.c:644: warning: unused variable ‘err’
'err' is unused in the !CONFIG_PCI_MSI case.
Instead of further increasing the #ifdeffery in this function,
restructure the code a bit and get rid of the #ifdef. This
relies on the fact that pci_enable_msi() will always fail in
the !CONFIG_PCI_MSI case.
There should be no change in driver behavior.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: David S. Miller <davem@davemloft.net>
fix this warning:
net/bluetooth/rfcomm/sock.c: In function ‘rfcomm_sock_ioctl’:
net/bluetooth/rfcomm/sock.c:795: warning: unused variable ‘sk’
perhaps BT_DEBUG() should be improved to do printf format checking
instead of the #ifdef, but that looks quite intrusive: each bluetooth
.c file undefines the macro.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: David S. Miller <davem@davemloft.net>
fix this warning:
net/sunrpc/xprtrdma/verbs.c: In function ‘rpcrdma_conn_upcall’:
net/sunrpc/xprtrdma/verbs.c:279: warning: unused variable ‘addr’
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: David S. Miller <davem@davemloft.net>
fix this warning:
net/ax25/sysctl_net_ax25.c:27: warning: ‘min_ds_timeout’ defined but not used
net/ax25/sysctl_net_ax25.c:27: warning: ‘max_ds_timeout’ defined but not used
These are only used in the CONFIG_AX25_DAMA_SLAVE case.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: David S. Miller <davem@davemloft.net>
fix warning:
drivers/net/mlx4/mcg.c: In function ‘mlx4_multicast_attach’:
drivers/net/mlx4/mcg.c:217: warning: integer overflow in expression
there was no real danger of overflow here though.
md5:
db8eb55620f886c03854a2abb2ce6c3f mcg.o.before.asm
db8eb55620f886c03854a2abb2ce6c3f mcg.o.after.asm
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: David S. Miller <davem@davemloft.net>
this warning:
net/dccp/options.c: In function ‘dccp_parse_options’:
net/dccp/options.c:67: warning: ‘value’ may be used uninitialized in this function
is a bogus GCC warning. The compiler does not recognize the relation
between "value" and "mandatory" variables: the code flow can ever reach
the "out_invalid_option:" label if 'mandatory' is set to 1, and when
'mandatory' is non-zero, we'll always have 'value' initialized.
Help out the compiler by annotating the variable.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: David S. Miller <davem@davemloft.net>
this warning:
drivers/net/cassini.c: In function ‘cas_rx_ringN’:
drivers/net/cassini.c:2350: warning: ‘skb’ may be used uninitialized in this function
triggers because GCC does not recognize the (correct) error flow
between cas_rx_process_pkt() and 'skb'.
Annotate it.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: David S. Miller <davem@davemloft.net>
this warning:
drivers/net/mlx4/en_rx.c: In function ‘mlx4_en_activate_rx_rings’:
drivers/net/mlx4/en_rx.c:412: warning: ‘err’ may be used uninitialized in this function
Triggers because 'err' is uninitialized in the following input
conditions: priv->rx_ring_num is zero and mlx4_en_fill_rx_buffers()
fails.
But even if ->rx_ring_num is nonzero, 'err' will be zero if
mlx4_en_fill_rx_buffers() fails and mlx4_en_activate_rx_rings() returns
success - incorrectly.
So it's best to keep the error code uptodate on mlx4_en_fill_rx_buffers()
calls as well.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: David S. Miller <davem@davemloft.net>
this warning:
drivers/net/wan/z85230.c: In function ‘z8530_interrupt’:
drivers/net/wan/z85230.c:713: warning: ‘intr’ may be used uninitialized in this function
is clearly bogus - annotate it.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: David S. Miller <davem@davemloft.net>
this warning:
drivers/net/sis900.c: In function ‘sis900_timer’:
drivers/net/sis900.c:1280: warning: ‘speed’ may be used uninitialized in this function
triggers because GCC does not recognize the (correct) error flow
between sis900_read_mode(), 'speed' and 'duplex'.
Annotate it.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: David S. Miller <davem@davemloft.net>
this warning:
fs/dlm/netlink.c: In function ‘dlm_timeout_warn’:
fs/dlm/netlink.c:131: warning: ‘send_skb’ may be used uninitialized in this function
triggers because GCC does not recognize the (correct) error flow
between prepare_data() and send_skb.
Annotate it.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: David S. Miller <davem@davemloft.net>
this warning:
net/dsa/mv88e6060.c: In function ‘mv88e6060_poll_link’:
net/dsa/mv88e6060.c:225: warning: ‘port_status’ may be used uninitialized in this function
triggers because GCC does not recognize the (correct) error flow
between 'link' and 'port_status'.
Annotate it.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: David S. Miller <davem@davemloft.net>
this warning:
net/dsa/mv88e6xxx.c: In function ‘mv88e6xxx_poll_link’:
net/dsa/mv88e6xxx.c:361: warning: ‘port_status’ may be used uninitialized in this function
triggers because GCC does not recognize the (correct) error flow
between 'link' and 'port_status'.
Annotate it.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: David S. Miller <davem@davemloft.net>
this warning:
net/ipv6/ip6_flowlabel.c: In function ‘ipv6_flowlabel_opt’:
net/ipv6/ip6_flowlabel.c:467: warning: ‘err’ may be used uninitialized in this function
triggers because GCC does not recognize the (correct) error flow
between fl_create() and 'err'.
Annotate it.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: David S. Miller <davem@davemloft.net>
this warning:
net/sched/sch_hfsc.c: In function ‘hfsc_enqueue’:
net/sched/sch_hfsc.c:1577: warning: ‘err’ may be used uninitialized in this function
triggers because GCC does not recognize the (correct) error flow
between hfsc_classify(), 'cl' and 'err'.
Annotate it.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: David S. Miller <davem@davemloft.net>
this warning:
net/sunrpc/xprtrdma/svc_rdma_transport.c: In function ‘svc_rdma_accept’:
net/sunrpc/xprtrdma/svc_rdma_transport.c:830: warning: ‘dma_mr_acc’ may be used uninitialized in this function
triggers because GCC does not recognize the (correct) flow connection
between need_dma_mr and dma_mr_acc.
Annotate it.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: David S. Miller <davem@davemloft.net>
this warning:
drivers/net/qla3xxx.c: In function ‘ql3xxx_probe’:
drivers/net/qla3xxx.c:3912: warning: ‘pci_using_dac’ may be used uninitialized in this function
triggers because GCC does not recognize the (correct) error flow
between 'pci_using_dac' and 'err'.
Annotate it.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: David S. Miller <davem@davemloft.net>
this warning:
drivers/net/niu.c: In function ‘esr_reset’:
drivers/net/niu.c:741: warning: ‘reset’ may be used uninitialized in this function
triggers because GCC does not recognize the (correct) error flow
between:
- esr_read_reset() and 'reset'
Annotate it.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: David S. Miller <davem@davemloft.net>
these warnings:
drivers/net/niu.c: In function ‘serdes_init_niu_1g_serdes’:
drivers/net/niu.c:451: warning: ‘sig’ may be used uninitialized in this function
drivers/net/niu.c: In function ‘serdes_init_niu_10g_serdes’:
drivers/net/niu.c:550: warning: ‘sig’ may be used uninitialized in this function
triggers because GCC does not recognize that the max_retry loop
always initializes 'sig', due to max_retry != 0.
Annotate them.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: David S. Miller <davem@davemloft.net>
this warning:
drivers/net/s2io.c: In function ‘rx_intr_handler’:
drivers/net/s2io.c:7369: warning: ‘lro’ may be used uninitialized in this function
triggers because GCC does not recognize the (correct) error flow
between:
- s2io_club_tcp_session()and 'lro'
Annotate it.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch will filter out the uevent not related to the init_net.
Without this patch if a network device is created in a network
namespace with the same name as one network device belonging to the
initial network namespace (eg. eth0), when the network namespace
will die and the network device will be destroyed, an event will
be sent and catched by the udevd daemon. That will result to have
the real network device to be shutdown because the udevd/uevent are
not namespace aware.
Signed-off-by: Daniel Lezcano <dlezcano@fr.ibm.com>
Acked-by: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Robert Olsson <robert.olsson@its.uu.se>
Acked-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
A patch to put names on the niu interrupt vectors according the syntax below.
This is needed to assign correct affinity.
> So on a multiqueue card with 2 RX queues and 2 TX queues we'd
> have names like:
>
> eth0-rx-0
> eth0-rx-1
> eth0-tx-0
> eth0-tx-1
Signed-off-by: Robert Olsson <robert.olsson@its.uu.se>
Tested-by: Jesper Dangaard Brouer <jdb@comx.dk>
Signed-off-by: David S. Miller <davem@davemloft.net>
