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由 Finn Thain 提交于
Commands subject to exception handling are to be returned to the scsi mid-layer. Make sure that the various command pointers and command lists in the low-level driver are correctly cleansed of affected commands. This fixes some bugs that I accidentally introduced in v4.5-rc1 including the removal of INIT_LIST_HEAD for the 'autosense' and 'disconnected' command lists, and the possible NULL pointer dereference in NCR5380_bus_reset() that was reported by Dan Carpenter. hostdata->sensing may also point to an affected command so this pointer also has to be cleared. The abort handler calls complete_cmd() to take care of this; let's have the bus reset handler do the same. The issue queue may also contain an affected command. If so, remove it. This also follows the abort handler logic. Reported-by: NDan Carpenter <dan.carpenter@oracle.com> Fixes: 62717f53 ("ncr5380: Implement new eh_bus_reset_handler") Tested-by: NMichael Schmitz <schmitzmic@gmail.com> Cc: <stable@vger.kernel.org> # 4.5 Signed-off-by: NFinn Thain <fthain@telegraphics.com.au> Signed-off-by: NMartin K. Petersen <martin.petersen@oracle.com>
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