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b170bad40d
linux/arch/s390/pci
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Sebastian Ott b170bad40d s390/pci: do not read data after failed load 
If a pci load instruction fails the content of the register where the
data is stored is possibly unchanged. Fix the inline assembly wrapper
__pcilg to not return stale data. Additionally fix the callers of this
function who access uninitialized variables.

Reviewed-by: Gerald Schaefer <gerald.schaefer@de.ibm.com>
Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2013-04-17 14:07:38 +02:00
..
Makefile s390/pci: uninline instruction wrappers 2013-04-17 14:07:37 +02:00
pci_clp.c s390/pci: debug device states 2013-04-17 14:07:35 +02:00
pci_debug.c s390/pci: debug device states 2013-04-17 14:07:35 +02:00
pci_dma.c s390/pci: rename instruction wrappers 2013-04-17 14:07:37 +02:00
pci_event.c s390/pci: performance statistics and debug infrastructure 2012-12-14 10:01:17 +01:00
pci_insn.c s390/pci: do not read data after failed load 2013-04-17 14:07:38 +02:00
pci_msi.c s390/pci: msi cleanup hash usage 2013-04-17 14:07:35 +02:00
pci_sysfs.c s390/pci: s390 specific PCI sysfs attributes 2012-11-30 17:47:26 +01:00
pci.c s390/pci: do not read data after failed load 2013-04-17 14:07:38 +02:00