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Eric Dumazet 7cb001d4c4 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: 5413d1babe ("net: do not block BH while processing socket backlog")
Fixes: d41a69f1d3 ("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>
 		2016-05-19 11:36:49 -07:00
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accessibility
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acpi Merge branches 'acpi-pci', 'acpi-misc' and 'acpi-tools' 2016-05-16 16:45:48 +02:00
amba
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android
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ata SCSI misc on 20160517 2016-05-18 16:38:59 -07:00
atm
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auxdisplay
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base Generic device properties framework update for v4.7-rc1 2016-05-16 19:51:04 -07:00
bcma
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block Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2016-05-17 16:26:30 -07:00
bluetooth Bluetooth: Add USB ID 13D3:3487 to ath3k 2016-05-13 16:54:59 +02:00
bus Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus 2016-05-19 10:02:26 -07:00
cdrom
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char Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2016-05-17 16:26:30 -07:00
clk Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus 2016-05-19 10:02:26 -07:00
clocksource ARC updates for 4.7-rc1 2016-05-19 09:46:18 -07:00
connector
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cpufreq Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus 2016-05-19 10:02:26 -07:00
cpuidle Merge back new cpuidle material for v4.7. 2016-05-06 22:08:46 +02:00
crypto crypto: qat - change the adf_ctl_stop_devices to void 2016-05-13 17:30:18 +08:00
dca
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devfreq PM / devfreq: style/typo fixes 2016-05-03 11:22:10 +09:00
dio
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dma
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dma-buf
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edac Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2016-05-17 17:05:30 -07:00
eisa
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extcon
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firewire treewide: replace dev->trans_start update with helper 2016-05-04 14:16:49 -04:00
firmware Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus 2016-05-19 10:02:26 -07:00
fmc
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fpga
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gpio This is the bulk of GPIO changes for kernel cycle v4.7: 2016-05-17 17:39:42 -07:00
gpu ARM: SoC driver updates for v4.7 2016-05-18 13:14:02 -07:00
hid Merge branch 'for-4.7/wacom' into for-linus 2016-05-17 12:42:27 +02:00
hsi
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hv Drivers: hv: vmbus: Fix signaling logic in hv_need_to_signal_on_read() 2016-04-30 14:05:44 -07:00
hwmon hwmon: (sch5636) trivial fix of spelling mistake on revision 2016-04-25 07:26:29 -07:00
hwspinlock
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hwtracing
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i2c
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ide
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idle
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iio iio: imu: mpu6050: Fix name/chip_id when using ACPI 2016-05-04 08:44:27 +01:00
infiniband SCSI misc on 20160517 2016-05-18 16:38:59 -07:00
input Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input 2016-05-18 17:12:23 -07:00
iommu Linux 4.6-rc6 2016-05-05 08:35:00 +02:00
ipack
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irqchip Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus 2016-05-19 10:02:26 -07:00
isdn ISDN: eicon: replace custom hex_asc_lo() / hex_pack_byte() 2016-05-08 23:52:13 -04:00
leds leds: gpio: Support the "panic-indicator" firmware property 2016-05-06 10:26:07 +02:00
lguest
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lightnvm lightnvm: reserved space calculation incorrect 2016-05-06 12:51:10 -06:00
macintosh
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mailbox
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mcb
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md - based on Jens' 'for-4.7/core' to have DM thinp's discard support use 2016-05-17 16:13:00 -07:00
media media updates for v4.7-rc1 2016-05-18 17:03:51 -07:00
memory
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memstick memstick: trivial fix of spelling mistake on management 2016-04-28 10:58:33 +02:00
message SCSI misc on 20160517 2016-05-18 16:38:59 -07:00
mfd This is the bulk of GPIO changes for kernel cycle v4.7: 2016-05-17 17:39:42 -07:00
misc Merge branch 'x86-platform-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2016-05-16 16:46:03 -07:00
mmc Merge branch 'for-4.7/drivers' of git://git.kernel.dk/linux-block 2016-05-17 16:03:32 -07:00
mtd ARM: SoC driver updates for v4.7 2016-05-18 13:14:02 -07:00
net net: pegasus: remove dead coding 2016-05-19 11:35:18 -07:00
nfc NFC: pn533: handle interrupted commands in pn533_recv_frame 2016-05-10 00:01:47 +02:00
ntb
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nubus
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nvdimm libnvdimm, pfn: fix ARCH=alpha allmodconfig build failure 2016-05-06 10:20:10 -07:00
nvme Merge branch 'for-4.7/drivers' of git://git.kernel.dk/linux-block 2016-05-17 16:03:32 -07:00
nvmem nvmem: mxs-ocotp: fix buffer overflow in read 2016-05-02 08:18:01 -07:00
of ARM: SoC cleanups and fixes for v4.7 2016-05-18 12:28:29 -07:00
oprofile
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parisc
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parport
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pci ARM: SoC driver updates for v4.7 2016-05-18 13:14:02 -07:00
pcmcia
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perf perf/arm: Special-case hetereogeneous CPUs 2016-05-05 10:13:59 +02:00
phy ARM: SoC driver updates for v4.7 2016-05-18 13:14:02 -07:00
pinctrl ARM: SoC driver updates for v4.7 2016-05-18 13:14:02 -07:00
platform Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus 2016-05-19 10:02:26 -07:00
pnp
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power PM / AVS: rockchip-io: make io-domains a child of the GRF 2016-04-26 19:12:28 +02:00
powercap Power management material for v4.7-rc1 2016-05-16 19:17:22 -07:00
pps
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ps3
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ptp
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pwm Merge remote-tracking branches 'regulator/topic/pwm', 'regulator/topic/qcom-spmi', 'regulator/topic/rk808' and 'regulator/topic/s2mps11' into regulator-next 2016-05-13 14:23:46 +01:00
rapidio rapidio/mport_cdev: fix uapi type definitions 2016-05-05 17:38:53 -07:00
ras
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regulator Merge remote-tracking branches 'regulator/topic/tps6524x' and 'regulator/topic/twl' into regulator-next 2016-05-13 14:23:49 +01:00
remoteproc remoteproc: Add additional crash reasons 2016-05-12 15:50:19 -07:00
reset
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rpmsg rpmsg: add THIS_MODULE to rpmsg_driver in rpmsg core 2016-05-06 11:08:58 -07:00
rtc
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s390 SCSI misc on 20160517 2016-05-18 16:38:59 -07:00
sbus
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scsi scsi_tcp: block BH in TCP callbacks 2016-05-19 11:36:49 -07:00
sfi
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sh
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sn
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soc ARM: SoC driver updates for v4.7 2016-05-18 13:14:02 -07:00
spi Merge remote-tracking branches 'spi/fix/fsl-dspi', 'spi/fix/omap2-mcspi', 'spi/fix/pxa2xx' and 'spi/fix/ti-qspi' into spi-linus 2016-05-06 18:20:37 +01:00
spmi
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ssb ssb: gpio_driver: use gpiochip data pointer 2016-04-26 15:34:49 +02:00
staging media updates for v4.7-rc1 2016-05-18 17:03:51 -07:00
target Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2016-05-17 17:05:30 -07:00
tc
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thermal Thermal / ACPI / video: add INT3406 thermal driver 2016-05-11 02:15:31 +02:00
thunderbolt
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tty Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus 2016-05-19 10:02:26 -07:00
uio
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usb Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus 2016-05-19 10:02:26 -07:00
uwb
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vfio
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vhost
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video ACPI material for v4.7-rc1 2016-05-16 19:41:41 -07:00
virt
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virtio virtio: Silence uninitialized variable warning 2016-05-01 15:50:08 +03:00
vlynq
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vme
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w1
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watchdog Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus 2016-05-19 10:02:26 -07:00
xen Merge branch 'linus' into efi/core, to pick up fixes 2016-05-07 07:00:07 +02:00
zorro
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Kconfig
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Makefile
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