block: remove dead code in scsi_ioctl:blk_verify_command

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>

diff --git a/block/scsi_ioctl.c b/block/scsi_ioctl.c
index 2648797..9c28a5b 100644 (file)
--- a/block/scsi_ioctl.c
+++ b/block/scsi_ioctl.c
@@ -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;