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650f7b3b2f
android_kernel_xiaomi_sm8350/arch/powerpc/platforms/pseries
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Linas Vepstas 650f7b3b2f [POWERPC] pseries: Handle null iommu dma-window property correctly 
Some versions of pSeries firmware fail to set up a
dma-window property for PCI slots that are unoccupied.
As a result, the loop searching for this propery, in
pci_dma_dev_setup_pSeriesLP(), can run to the end, resulting
in a NULL pointer dereference later in the routine. This
patch prevents the crash, and prints a warning message.

This is theoretically a rare error, as it occurs on what
is hopefully just beta levels of firmware. But just in case
this firmware escapes into the wild, this patch will avoid
the crash.

Signed-off-by: Linas Vepstas <linas@austin.ibm.com>
2007-05-02 20:04:29 +10:00
..
eeh_cache.c [PATCH] getting rid of all casts of k[cmz]alloc() calls 2006-12-13 09:05:58 -08:00
eeh_driver.c [POWERPC] Rename get_property to of_get_property: arch/powerpc 2007-04-13 03:55:19 +10:00
eeh_event.c [POWERPC] Rename get_property to of_get_property: arch/powerpc 2007-04-13 03:55:19 +10:00
eeh.c [POWERPC] Rename get_property to of_get_property: arch/powerpc 2007-04-13 03:55:19 +10:00
firmware.c [POWERPC] Rename get_property to of_get_property: arch/powerpc 2007-04-13 03:55:19 +10:00
hotplug-cpu.c [POWERPC] Rename get_property to of_get_property: arch/powerpc 2007-04-13 03:55:19 +10:00
hvCall_inst.c [PATCH] mark struct file_operations const 2 2007-02-12 09:48:44 -08:00
hvCall.S [POWERPC] Bypass hcall stats until cpu features have run 2007-03-22 15:01:43 +11:00
hvconsole.c
hvcserver.c
iommu.c [POWERPC] pseries: Handle null iommu dma-window property correctly 2007-05-02 20:04:29 +10:00
Kconfig [POWERPC] Split several platforms into their respective Kconfig file 2007-03-22 10:07:32 -05:00
kexec.c [POWERPC] Cleanup pseries kexec code 2007-02-14 11:50:03 +11:00
lpar.c [POWERPC] Rename get_property to of_get_property: arch/powerpc 2007-04-13 03:55:19 +10:00
Makefile [POWERPC] Allow pSeries to build without CONFIG_PCI 2007-03-09 15:03:26 +11:00
nvram.c [POWERPC] Rename get_property to of_get_property: arch/powerpc 2007-04-13 03:55:19 +10:00
pci_dlpar.c [POWERPC] Fix link errors when EEH is disabled 2007-04-13 03:55:14 +10:00
pci.c [POWERPC] Rename get_property to of_get_property: arch/powerpc 2007-04-13 03:55:19 +10:00
plpar_wrappers.h [POWERPC] Avoid hypervisor statistics calculation in real mode 2007-03-22 15:01:43 +11:00
power.c [POWERPC] pseries: Enabling auto poweron after power is restored. 2007-02-17 10:22:50 +11:00
pseries.h [POWERPC] pseries: Enabling auto poweron after power is restored. 2007-02-17 10:22:50 +11:00
ras.c [POWERPC] Rename get_property to of_get_property: arch/powerpc 2007-04-13 03:55:19 +10:00
reconfig.c [PATCH] mark struct file_operations const 2 2007-02-12 09:48:44 -08:00
rtasd.c [POWERPC] Rename get_property to of_get_property: arch/powerpc 2007-04-13 03:55:19 +10:00
scanlog.c [PATCH] mark struct file_operations const 2 2007-02-12 09:48:44 -08:00
setup.c [POWERPC] Generic check_legacy_ioport 2007-04-27 21:14:30 +10:00
smp.c [POWERPC] Cleanup pseries smp initialisation code 2007-02-14 11:50:03 +11:00
xics.c [POWERPC] Rename get_property to of_get_property: arch/powerpc 2007-04-13 03:55:19 +10:00
xics.h