svn commit: r339076 - head/sys/cam/scsi

[Kenneth D. Merry]

Author: ken
Date: Mon Oct  1 19:00:46 2018
New Revision: 339076
URL: https://svnweb.freebsd.org/changeset/base/339076

Log:
  Fix a da(4) driver memory leak for SCSI SMR devices.
  
  In the probe case for SCSI SMR Host Aware or Most Managed drives, be sure
  to free allocated memory.
  
  sys/cam/scsi/scsi_da.c:
  	In dadone_probezone(), free the data pointer before returning.
  
  MFC after:	3 days
  Sponsored by:	Spectra Logic
  Approved by:	re (kib)

Modified:
  head/sys/cam/scsi/scsi_da.c

Modified: head/sys/cam/scsi/scsi_da.c
==============================================================================
--- head/sys/cam/scsi/scsi_da.c	Mon Oct  1 18:51:39 2018	(r339075)
+++ head/sys/cam/scsi/scsi_da.c	Mon Oct  1 19:00:46 2018	(r339076)
@@ -5674,6 +5674,9 @@ dadone_probezone(struct cam_periph *periph, union ccb 
 			}
 		}
 	}
+
+	free(csio->data_ptr, M_SCSIDA);
+
 	daprobedone(periph, done_ccb);
 	return;
 }