| commit | 26a35f373fbe6f21e8ad5ca4de1c01021e38fe2f | [log] [tgz] |
|---|---|---|
| author | Stefan Weinhuber <wein@de.ibm.com> | Tue Nov 19 14:15:57 2013 +0100 |
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | Wed Nov 20 09:04:54 2013 +0100 |
| tree | 1e0ac74c9336553c6dfd86cdcbf86c7ba969379e | |
| parent | aa7e04b3808614980d474735cdb0bf35ac5cdf26 [diff] |
s390/dasd: validate request size before building CCW/TCW request An I/O request that does not read or write full blocks cannot be translated into a correct CCW or TCW program and should be rejected right away. In particular the code that creates TCW requests will not notice this problem and create broken TCWs that will be rejected by the hardware. Signed-off-by: Stefan Weinhuber <wein@de.ibm.com> Reference-ID: RQM1956