diff options
| author | Mauricio Faria de Oliveira <[email protected]> | 2017-01-25 22:07:06 -0200 |
|---|---|---|
| committer | Martin K. Petersen <[email protected]> | 2017-01-31 22:25:32 -0500 |
| commit | 2780f3c8f0233de90b6b47a23fc422b7780c5436 (patch) | |
| tree | 1174ed10ddfcbe0b89e1d37fbe004d9d3e7b1edd /tools/perf/scripts/python | |
| parent | 27873de99f2fecca0f6b257316489ef2a1d86ffd (diff) | |
scsi: qla2xxx: Avoid that issuing a LIP triggers a kernel crash
Avoid that issuing a LIP as follows:
find /sys -name 'issue_lip'|while read f; do echo 1 > $f; done
triggers the following:
BUG: unable to handle kernel NULL pointer dereference at (null)
Call Trace:
qla2x00_abort_all_cmds+0xed/0x140 [qla2xxx]
qla2x00_abort_isp_cleanup+0x1e3/0x280 [qla2xxx]
qla2x00_abort_isp+0xef/0x690 [qla2xxx]
qla2x00_do_dpc+0x36c/0x880 [qla2xxx]
kthread+0x10c/0x140
[mkp: consolidated Mauricio's and Bart's fixes]
Signed-off-by: Mauricio Faria de Oliveira <[email protected]>
Reported-by: Bart Van Assche <[email protected]>
Fixes: 1535aa75a3d8 ("qla2xxx: fix invalid DMA access after command aborts in PCI device remove")
Cc: Himanshu Madhani <[email protected]>
Cc: <[email protected]>
Signed-off-by: Martin K. Petersen <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python')
0 files changed, 0 insertions, 0 deletions