Author: asomers
Date: Thu Nov 17 20:42:56 2016
New Revision: 308780
URL: https://svnweb.freebsd.org/changeset/base/308780
Log:
Fix "camcontrol rescan" with SATA drives behind a SAS controller
A bug in CAM's serial number hash logic resulted in SATA drives behind a SAS
controller getting removed and readded anytime the drive was rescanned for
any reason.
PR: 212914
Submitted by: kadesai
Reported by: kadesai
Reviewed by: asomers, ken
MFC after: 4 weeks
Sponsored by: Spectra Logic Corp
Modified:
head/sys/cam/scsi/scsi_xpt.c
Modified: head/sys/cam/scsi/scsi_xpt.c
==============================================================================
--- head/sys/cam/scsi/scsi_xpt.c Thu Nov 17 20:34:08 2016
(r308779)
+++ head/sys/cam/scsi/scsi_xpt.c Thu Nov 17 20:42:56 2016
(r308780)
@@ -1626,8 +1626,8 @@ probe_device_check:
sizeof(struct scsi_inquiry_data));
if (have_serialnum)
- MD5Update(&context, serial_buf->serial_num,
- serial_buf->length);
+ MD5Update(&context, path->device->serial_num,
+ path->device->serial_num_len);
MD5Final(digest, &context);
if (bcmp(softc->digest, digest, 16) == 0)
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