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| author | Sebastian Ott <sebott@linux.vnet.ibm.com> | 2013-04-16 08:17:15 -0400 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2013-04-17 08:07:38 -0400 |
| commit | b170bad40dab1a1684d629b37cb65a5281d35bd8 (patch) | |
| tree | 40f24811118d28edda9a99b40599f59913f01615 /arch/alpha/lib | |
| parent | f0bacb7fc4f7defb15a6575d92f8ea4342f8f09e (diff) | |
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>
Diffstat (limited to 'arch/alpha/lib')
0 files changed, 0 insertions, 0 deletions