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Amit Shah 22a29eacd2 virtio: console: Error out if we can't allocate buffers for control queue 
With MULTIPORT support, the control queue is an integral part of the
functioning of the device. If we can't get any buffers allocated, the
host won't be able to relay important information and the device may not
function as intended.

Ensure 'probe' doesn't succeed until the control queue has at least one
buffer allocated for its ivq.

Signed-off-by: Amit Shah <amit.shah@redhat.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2010-02-24 14:23:04 +10:30
..
agp
x86/agp: Fix amd64-agp module initialization regression
2010-02-04 07:27:26 +01:00
hw_random
virtio: fix section mismatch warnings
2010-01-16 12:15:39 -08:00
ip2
tty: rewrite the ldisc locking
2009-06-11 08:51:01 -07:00
ipmi
ACPI: fix ACPI=n allmodconfig build
2009-12-30 01:24:25 -05:00
mwave
mwave: fix read buffer overflow
2009-09-24 07:21:03 -07:00
pcmcia
tty: const: constify remaining tty_operations
2009-12-11 15:18:03 -08:00
rio
tree-wide: fix assorted typos all over the place
2009-12-04 15:39:55 +01:00
tpm
tpm_infineon: fix suspend/resume handler for pnp_driver
2010-02-11 13:59:42 -08:00
xilinx_hwicap
const: constify remaining file_operations
2009-10-01 16:11:11 -07:00
.gitignore
…
amiserial.c
headers: smp_lock.h redux
2009-07-12 12:22:34 -07:00
apm-emulation.c
const: constify remaining file_operations
2009-10-01 16:11:11 -07:00
applicom.c
headers: remove sched.h from interrupt.h
2009-10-11 11:20:58 -07:00
applicom.h
…
bfin_jtag_comm.c
tty: const: constify remaining tty_operations
2009-12-11 15:18:03 -08:00
bfin-otp.c
const: constify remaining file_operations
2009-10-01 16:11:11 -07:00
briq_panel.c
…
bsr.c
powerpc/BSR: Fix BSR to allow mmap of small BSR on 64k kernel
2009-06-26 14:37:26 +10:00
cd1865.h
…
ChangeLog
…
consolemap.c
consolemap: indentation & braces disagree - reindent
2009-01-06 15:59:30 -08:00
cp437.uni
unicode table for cp437
2008-12-13 11:25:49 -08:00
cs5535_gpio.c
drivers: Remove BKL from cs5535_gpio
2009-10-14 17:36:48 +02:00
cyclades.c
cyclades: fix read buffer overflow
2009-10-01 16:11:16 -07:00
defkeymap.c_shipped
…
defkeymap.map
…
digi1.h
…
digiFep1.h
…
digiPCI.h
…
ds1302.c
…
ds1620.c
[ARM] netwinder: clean up GPIO naming
2008-12-13 09:12:07 +00:00
dsp56k.c
…
dtlk.c
headers: remove sched.h from poll.h
2009-10-04 15:05:10 -07:00
efirtc.c
efirtc: explicitly set llseek to no_llseek
2009-12-16 07:19:59 -08:00
epca.c
tty: const: constify remaining tty_operations
2009-12-11 15:18:03 -08:00
epca.h
…
epcaconfig.h
…
generic_nvram.c
nvram: Drop the bkl from nvram_llseek()
2009-10-14 17:36:49 +02:00
generic_serial.c
headers: remove sched.h from interrupt.h
2009-10-11 11:20:58 -07:00
genrtc.c
headers: Fix build after <linux/sched.h> removal
2009-10-13 10:20:16 -07:00
hangcheck-timer.c
…
hpet.c
sysctl: Drop & in front of every proc_handler.
2009-11-18 08:37:40 -08:00
hvc_beat.c
hvc_console: make the ops pointer const.
2010-02-24 14:22:32 +10:30
hvc_console.c
hvc_console: make the ops pointer const.
2010-02-24 14:22:32 +10:30
hvc_console.h
hvc_console: make the ops pointer const.
2010-02-24 14:22:32 +10:30
hvc_irq.c
hvc_console: Call free_irq() only if request_irq() was successful
2009-01-13 14:48:01 +11:00
hvc_iseries.c
hvc_console: make the ops pointer const.
2010-02-24 14:22:32 +10:30
hvc_iucv.c
hvc_console: make the ops pointer const.
2010-02-24 14:22:32 +10:30
hvc_rtas.c
hvc_console: make the ops pointer const.
2010-02-24 14:22:32 +10:30
hvc_udbg.c
hvc_console: make the ops pointer const.
2010-02-24 14:22:32 +10:30
hvc_vio.c
hvc_console: make the ops pointer const.
2010-02-24 14:22:32 +10:30
hvc_xen.c
hvc_console: make the ops pointer const.
2010-02-24 14:22:32 +10:30
hvcs.c
Merge commit 'origin/master' into next
2009-06-18 11:16:55 +10:00
hvsi.c
powerpc/hvsi: Avoid calculating possibly-invalid address
2009-08-20 10:29:28 +10:00
i8k.c
i8k: Add Dell Vostro systems
2009-01-02 10:28:32 -08:00
isicom.c
tty: isicom: fix deadlock on shutdown
2009-12-11 15:18:07 -08:00
istallion.c
tty: istallion: tty port open/close methods
2009-12-11 15:18:06 -08:00
Kconfig
virtio: console: Associate each port with a char device
2010-02-24 14:22:53 +10:30
keyboard.c
Input: keyboard - don't override beep with a bell
2009-12-15 21:48:55 -08:00
lp.c
lp: move compat_ioctl handling into lp.c
2009-12-10 22:55:36 +01:00
Makefile
tty: esp: remove broken driver
2009-12-11 15:18:03 -08:00
mbcs.c
[IA64] mbcs: fix printk format warnings
2009-09-15 08:42:00 -07:00
mbcs.h
…
mem.c
devmem: fix kmem write bug on memory holes
2010-02-02 18:11:22 -08:00
misc.c
drivers/char/misc.c: use bitmap/bitops functions for dynamic minor number allocation
2009-12-15 08:53:27 -08:00
mmtimer.c
…
moxa.c
tty: moxa: split open lock
2009-12-11 15:18:08 -08:00
moxa.h
…
mspec.c
tree-wide: fix assorted typos all over the place
2009-12-04 15:39:55 +01:00
mxser.c
tty: mxser: Use the new locking rules to fix setserial properly
2009-12-11 15:18:07 -08:00
mxser.h
…
n_hdlc.c
headers: smp_lock.h redux
2009-07-12 12:22:34 -07:00
n_r3964.c
tree-wide: fix assorted typos all over the place
2009-12-04 15:39:55 +01:00
n_tty.c
n_tty: move echoctl check and clean up logic
2009-09-19 13:13:34 -07:00
nozomi.c
nozomi: quick fix for the close/close bug
2010-01-20 15:03:27 -08:00
nsc_gpio.c
…
nvram.c
nvram: Fix write beyond end condition; prove to gcc copy is safe
2009-12-11 15:48:23 -08:00
nwbutton.c
…
nwbutton.h
…
nwflash.c
ARM: add missing include to nwflash.c
2009-12-19 23:36:00 +00:00
pc8736x_gpio.c
drivers: Remove BKL from pc8736x_gpio
2009-10-14 17:36:52 +02:00
ppdev.c
ppdev: reduce kernel log spam
2009-06-18 13:03:54 -07:00
ps3flash.c
ps3flash: Always read chunks of 256 KiB, and cache them
2009-06-15 16:47:27 +10:00
pty.c
tty: push the BKL down into the handlers a bit
2009-12-11 15:18:08 -08:00
random.c
random: Remove unused inode variable
2010-02-02 06:50:27 +11:00
raw.c
Driver-Core: extend devnode callbacks to provide permissions
2009-09-19 12:50:38 -07:00
riscom8_reg.h
…
riscom8.c
tty: riscom8: switch to the tty_port_open API
2009-12-11 15:18:06 -08:00
riscom8.h
…
rocket_int.h
tty: rocketport uses different port flags to everyone else
2009-01-02 10:19:39 -08:00
rocket.c
headers: smp_lock.h redux
2009-07-12 12:22:34 -07:00
rocket.h
tty: rocketport uses different port flags to everyone else
2009-01-02 10:19:39 -08:00
rtc.c
sysctl: Drop & in front of every proc_handler.
2009-11-18 08:37:40 -08:00
scc.h
m68k: atari - Rename "mfp" to "st_mfp"
2009-02-22 09:23:02 -08:00
scx200_gpio.c
drivers: Remove BKL from scx200_gpio
2009-10-14 17:36:53 +02:00
selection.c
tty: rewrite the ldisc locking
2009-06-11 08:51:01 -07:00
ser_a2232.c
headers: remove sched.h from interrupt.h
2009-10-11 11:20:58 -07:00
ser_a2232.h
…
ser_a2232fw.ax
…
ser_a2232fw.h
…
serial167.c
serial167: fix read buffer overflow
2009-10-01 16:11:16 -07:00
snsc_event.c
…
snsc.c
…
snsc.h
…
sonypi.c
sony_pi: Remove the BKL from open and ioctl
2010-01-04 12:31:20 -08:00
specialix_io8.h
…
specialix.c
specialix.c: convert nested spin_lock_irqsave to spin_lock
2009-07-20 16:38:43 -07:00
stallion.c
tty: stallion: Convert to the tty_port_open/close methods
2009-12-11 15:18:06 -08:00
sx.c
headers: smp_lock.h redux
2009-07-12 12:22:34 -07:00
sx.h
…
sxboards.h
…
sxwindow.h
…
synclink_gt.c
hdlc: convert to netdev_tx_t
2009-09-01 01:13:31 -07:00
synclink.c
hdlc: convert to netdev_tx_t
2009-09-01 01:13:31 -07:00
synclinkmp.c
hdlc: convert to netdev_tx_t
2009-09-01 01:13:31 -07:00
sysrq.c
oom-kill: fix NUMA constraint check with nodemask
2009-12-16 07:19:57 -08:00
tb0219.c
mips: Remove BKL from tb0219
2009-10-14 17:36:53 +02:00
tlclk.c
headers: remove sched.h from interrupt.h
2009-10-11 11:20:58 -07:00
toshiba.c
tosh: Use non bkl ioctl
2010-01-04 12:31:21 -08:00
tty_audit.c
tty: remove buffer special casing
2009-06-11 08:51:02 -07:00
tty_buffer.c
tty: use the new 'flush_delayed_work()' helper to do ldisc flush
2009-10-14 09:20:41 -07:00
tty_io.c
Fix race in tty_fasync() properly
2010-02-07 10:26:01 -08:00
tty_ioctl.c
tree-wide: fix a very frequent spelling mistake
2009-11-09 09:40:54 +01:00
tty_ldisc.c
tty: Push the lock down further into the ldisc code
2009-12-11 15:18:08 -08:00
tty_port.c
tty: tty_port: Add a kref object to the tty port
2009-12-11 15:18:07 -08:00
uv_mmtimer.c
x86, UV: Fix RTC latency bug by reading replicated cachelines
2010-01-27 11:33:53 +01:00
vc_screen.c
vc: create vcs(a) devices for consoles
2009-07-20 16:38:43 -07:00
viotape.c
tape: beyond ARRAY_SIZE of viocd_diskinfo
2009-06-02 10:32:34 +10:00
virtio_console.c
virtio: console: Error out if we can't allocate buffers for control queue
2010-02-24 14:23:04 +10:30
vme_scc.c
m68k: vme_scc - Kill warn_unused_result warnings
2009-01-12 20:56:38 +01:00
vt_ioctl.c
vt: Fix use of "new" in a struct field
2009-11-19 13:43:06 -08:00
vt.c
vt: make the default cursor shape configurable
2009-12-16 07:19:57 -08:00