svn commit: r238574 - head/sys/dev/mps

[Christian Brueffer]

Author: brueffer
Date: Wed Jul 18 09:06:07 2012
New Revision: 238574
URL: http://svn.freebsd.org/changeset/base/238574

Log:
  Fix a small memory leak in mpssas_get_sata_identify().  The change has been
  submitted upstream as well.
  
  Reviewed by:	ken, scottl
  Obtained from:	DragonFly BSD (change df8658e030226dd015cff9749452666d8fe1e87b)
  MFC after:	5 days

Modified:
  head/sys/dev/mps/mps_sas_lsi.c

Modified: head/sys/dev/mps/mps_sas_lsi.c
==============================================================================
--- head/sys/dev/mps/mps_sas_lsi.c	Wed Jul 18 08:58:30 2012	(r238573)
+++ head/sys/dev/mps/mps_sas_lsi.c	Wed Jul 18 09:06:07 2012	(r238574)
@@ -796,8 +796,10 @@ mpssas_get_sata_identify(struct mps_soft
 	if (!buffer)
 		return ENOMEM;
 
-	if ((cm = mps_alloc_command(sc)) == NULL)
+	if ((cm = mps_alloc_command(sc)) == NULL) {
+		free(buffer, M_MPT2);
 		return (EBUSY);
+	}
 	mpi_request = (MPI2_SATA_PASSTHROUGH_REQUEST *)cm->cm_req;
 	bzero(mpi_request,sizeof(MPI2_SATA_PASSTHROUGH_REQUEST));
 	mpi_request->Function = MPI2_FUNCTION_SATA_PASSTHROUGH;