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Greg Kurz 6665481e1c ocxl: Fix endiannes bug in read_afu_name() 
commit 2f07229f02 upstream.

The AFU Descriptor Template in the PCI config space has a Name Space
field which is a 24 Byte ASCII character string of descriptive name
space for the AFU. The OCXL driver read the string four characters at
a time with pci_read_config_dword().

This optimization is valid on a little-endian system since this is PCI,
but a big-endian system ends up with each subset of four characters in
reverse order.

This could be fixed by switching to read characters one by one. Another
option is to swap the bytes if we're big-endian.

Go for the latter with le32_to_cpu().

Cc: stable@vger.kernel.org      # v4.16
Signed-off-by: Greg Kurz <groug@kaod.org>
Acked-by: Frederic Barrat <fbarrat@linux.ibm.com>
Acked-by: Andrew Donnellan <andrew.donnellan@au1.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-01-09 17:38:43 +01:00
..
altera-stapl treewide: kzalloc() -> kcalloc() 2018-06-12 16:19:22 -07:00
c2port kmemcheck: remove annotations 2017-11-15 18:21:04 -08:00
cardreader misc: rtsx: make several functions static 2018-07-03 13:01:48 +02:00
cb710 cb710: Convert to new IDA API 2018-08-21 23:54:18 -04:00
cxl Merge branch 'akpm' (patches from Andrew) 2018-08-17 16:49:31 -07:00
echo misc: Remove Blackfin DSP echo support 2018-03-26 15:56:37 +02:00
eeprom Merge branch 'i2c/for-4.19' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux 2018-08-21 17:40:46 -07:00
genwqe signal/GenWQE: Fix sending of SIGKILL 2018-11-13 11:08:45 -08:00
ibmasm ibmasm: don't write out of bounds in read handler 2018-07-07 09:59:35 +02:00
lis3lv02d vfs: do bulk POLL* -> EPOLL* replacement 2018-02-11 14:34:03 -08:00
lkdtm lkdtm: Add missing SPDX-License-Identifier line 2018-03-06 19:18:55 -08:00
mei mei: bus: need to unlink client before freeing 2018-09-12 09:14:24 +02:00
mic misc: mic/scif: fix copy-paste error in scif_create_remote_lookup 2018-12-05 19:32:14 +01:00
ocxl ocxl: Fix endiannes bug in read_afu_name() 2019-01-09 17:38:43 +01:00
sgi-gru drivers/misc/sgi-gru: fix Spectre v1 vulnerability 2018-11-27 16:13:10 +01:00
sgi-xp sgi-xp: xpc_partition: mark expected switch fall-throughs 2018-07-07 17:38:57 +02:00
ti-st misc: ti-st: Fix memory leak in the error path of probe() 2018-08-02 10:35:04 +02:00
vmw_vmci VMCI: Resource wildcard match fixed 2018-11-13 11:08:34 -08:00
ad525x_dpot-i2c.c
ad525x_dpot-spi.c
ad525x_dpot.c misc: ad525x_dpot: macros should not use a trailing semicolon 2017-12-18 16:02:26 +01:00
ad525x_dpot.h misc: ad525x_dpot: Unnecessary space before function pointer arguments 2017-12-18 15:59:17 +01:00
apds990x.c misc: apds990x: Missing a blank line after declarations. 2017-12-18 16:02:26 +01:00
apds9802als.c
aspeed-lpc-ctrl.c misc: aspeed-lpc-ctrl: Enable FWH and A2H bridge cycles 2018-03-15 18:20:51 +01:00
aspeed-lpc-snoop.c drivers/misc: Aspeed LPC snoop output using misc chardev 2018-07-16 13:30:47 +02:00
atmel-ssc.c misc: atmel-ssc: Fix section annotation on atmel_ssc_get_driver_data 2018-11-27 16:13:10 +01:00
atmel_tclib.c
bh1770glc.c
cs5535-mfgpt.c
ds1682.c misc: ds1682: Ignore update-in-progress ETC reads 2018-01-09 17:03:57 +01:00
dummy-irq.c
enclosure.c misc: enclosure: Remove unnecessary error check 2017-12-07 18:45:31 +01:00
fsa9480.c misc: fsa9480: Add blank line after declarations. 2018-01-09 17:03:57 +01:00
hmc6352.c misc: hmc6352: fix potential Spectre v1 2018-09-12 09:31:00 +02:00
hpilo.c vfs: do bulk POLL* -> EPOLL* replacement 2018-02-11 14:34:03 -08:00
hpilo.h misc: hpilo: Use SPDX-License-Identifier 2017-12-07 18:45:31 +01:00
ibmvmc.c misc: ibmvsm: Fix wrong assignment of return code 2018-09-12 09:31:00 +02:00
ibmvmc.h misc: IBM Virtual Management Channel Driver (VMC) 2018-05-14 16:35:42 +02:00
ics932s401.c misc: ics932s401: open brace should be on the previous line 2017-12-18 16:00:57 +01:00
ioc4.c
isl29003.c misc: isl29003: Missing a blank line after declarations 2017-12-07 18:45:31 +01:00
isl29020.c
Kconfig misc: IBM Virtual Management Channel Driver (VMC) 2018-05-14 16:35:42 +02:00
kgdbts.c misc: kgdbts: Display progress of asynchronous tests 2018-01-25 08:40:17 -06:00
lattice-ecp3-config.c
Makefile misc: IBM Virtual Management Channel Driver (VMC) 2018-05-14 16:35:42 +02:00
pch_phub.c
pci_endpoint_test.c pci_endpoint_test: Add 2 ioctl commands 2018-07-19 11:46:57 +01:00
phantom.c vfs: do bulk POLL* -> EPOLL* replacement 2018-02-11 14:34:03 -08:00
pti.c drivers/misc/intel/pti: Rename the header file to free up the namespace 2017-12-17 12:52:34 +01:00
qcom-coincell.c
spear13xx_pcie_gadget.c
sram-exec.c
sram.c misc: sram: enable clock before registering regions 2018-07-06 16:48:15 +02:00
sram.h
tifm_7xx1.c misc: tifm: Remove VLA 2018-04-23 13:31:27 +02:00
tifm_core.c
tsl2550.c tsl2550: fix lux1_input error in low light 2018-07-07 17:44:52 +02:00
vexpress-syscfg.c misc: vexpress/syscfg: Use devm_ioremap_resource() to map memory 2018-07-16 13:32:08 +02:00
vmw_balloon.c Merge 4.18-rc5 into char-misc-next 2018-07-16 09:04:54 +02:00