svn commit: r250967 - head/sys/cam/scsi
Steven Hartland
smh at FreeBSD.org
Fri May 24 11:27:07 UTC 2013
Author: smh
Date: Fri May 24 11:27:06 2013
New Revision: 250967
URL: http://svnweb.freebsd.org/changeset/base/250967
Log:
Enforce validation on the selected delete method via sysctl.
This prevents users from selecting a delete method which may cause
corruption e.g. MPS WS16 on pre P14 firmware.
Reviewed by: pjd (mentor)
Approved by: pjd (mentor)
MFC after: 2 days
Modified:
head/sys/cam/scsi/scsi_da.c
Modified: head/sys/cam/scsi/scsi_da.c
==============================================================================
--- head/sys/cam/scsi/scsi_da.c Fri May 24 09:48:42 2013 (r250966)
+++ head/sys/cam/scsi/scsi_da.c Fri May 24 11:27:06 2013 (r250967)
@@ -1780,7 +1780,8 @@ dadeletemethodsysctl(SYSCTL_HANDLER_ARGS
if (error != 0 || req->newptr == NULL)
return (error);
for (i = 0; i <= DA_DELETE_MAX; i++) {
- if (strcmp(buf, da_delete_method_names[i]) != 0)
+ if (!(softc->delete_available & (1 << i)) ||
+ strcmp(buf, da_delete_method_names[i]) != 0)
continue;
dadeletemethodset(softc, i);
return (0);
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