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Don't get stuck in a loop calling exit from an atexit routine. Clean

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up cam_fill_ctio usage to passed atio flags. Clear periph_priv area
of new ctio so if the kernel is dumb enough to look at them (this is
a SECURITY hole) the panic will be obvious instead of subtle.
This commit is contained in:
Matt Jacob 2000-07-18 04:39:36 +00:00
parent ff1e937c46
commit 785b6ccaec
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=63375
1 changed files with 9 additions and 8 deletions
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17
share/examples/scsi_target/scsi_target.c
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@ -184,12 +184,9 @@ cleanup()
(void) ioctl(targfd, TARGIODEBUG, &debug);
}
close(targfd);
if (ioctl(targctlfd, TARGCTLIOFREEUNIT, &alloc_unit) == -1) {
perror("TARGCTLIOFREEUNIT");
exit(EX_SOFTWARE);
}
close(targctlfd);
}
@ -326,18 +323,22 @@ handle_exception()
}
bzero(&ccb, sizeof(ccb));
cam_fill_ctio(&ccb.csio, /*retries*/2,
cam_fill_ctio(&ccb.csio,
/*retries*/2,
/*cbfcnp*/NULL,
/*flags*/CAM_DIR_NONE
| (atio.ccb_h.flags & CAM_TAG_ACTION_VALID)
| CAM_SEND_STATUS,
/*tag_action*/MSG_SIMPLE_Q_TAG,
CAM_DIR_NONE | CAM_SEND_STATUS,
(atio.ccb_h.flags & CAM_TAG_ACTION_VALID)?
MSG_SIMPLE_Q_TAG : 0,
atio.tag_id,
atio.init_id,
SCSI_STATUS_CHECK_COND,
/*data_ptr*/NULL,
/*dxfer_len*/0,
/*timeout*/5 * 1000);
/*
* Make sure that periph_priv pointers are clean.
*/
bzero(&ccb.ccb_h.periph_priv, sizeof ccb.ccb_h.periph_priv);
if (ioctl(targfd, TARGIOCCOMMAND, &ccb) == -1) {
perror("TARGIOCCOMMAND");