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block: remove dead code in scsi_ioctl:blk_verify_command

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filter gets assigned the address of blk_default_cmd_filter on
entry to this function, so the !filter condition can never be true.

Signed-off-by: Dave Jones <davej@redhat.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
This commit is contained in:
Dave Jones 2014-05-29 15:11:30 -04:00 committed by Jens Axboe
parent 4b570521be
commit da52f22fa9
1 changed files with 0 additions and 4 deletions
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4
block/scsi_ioctl.c
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@ -205,10 +205,6 @@ int blk_verify_command(unsigned char *cmd, fmode_t has_write_perm)
if (capable(CAP_SYS_RAWIO))
return 0;
/* if there's no filter set, assume we're filtering everything out */
if (!filter)
return -EPERM;
/* Anybody who can open the device can do a read-safe command */
if (test_bit(cmd[0], filter->read_ok))
return 0;