On Mon, 30 Sep 2002, Poul-Henning Kamp wrote:
> 
> I went through the FlexeLint output of the LINT kernel on i386 and
> tried to examine all warnings about memoryleaks in central or
> semi-central code.
> 
> I this patch I belive addresses the ones I think I could confirm,
> in the following files:
>       cam/scsi/scsi_cd.c
>       cam/scsi/scsi_da.c
>       dev/ata/ata-all.c
>       fs/pseudofs/pseudofs_vncache.c
>       fs/umapfs/umap_vfsops.c
>       kern/kern_ktrace.c
>       kern/kern_linker.c
>       ufs/ufs/ufs_vnops.c
> 
> I would appreciate if the respective owners, authors, maintainers
> etc would review and commit their own bits from this patch.
> 
> Thanks in advance!
> 
> Poul-Henning
> 
> 
> Index: cam/scsi/scsi_cd.c
> ===================================================================
> RCS file: /home/ncvs/src/sys/cam/scsi/scsi_cd.c,v
> retrieving revision 1.61
> diff -u -r1.61 scsi_cd.c
> --- cam/scsi/scsi_cd.c        28 Sep 2002 17:14:05 -0000      1.61
> +++ cam/scsi/scsi_cd.c        30 Sep 2002 06:11:54 -0000
> @@ -1463,6 +1463,7 @@
>               start_ccb->ccb_h.ccb_bp = NULL;
>               start_ccb->ccb_h.ccb_state = CD_CCB_PROBE;
>               xpt_action(start_ccb);
> +             /* XXX missing free(rcap, M_TEMP) ??? */
>               break;
>       }
>       }
> Index: cam/scsi/scsi_da.c
> ===================================================================
> RCS file: /home/ncvs/src/sys/cam/scsi/scsi_da.c,v
> retrieving revision 1.108
> diff -u -r1.108 scsi_da.c
> --- cam/scsi/scsi_da.c        20 Sep 2002 19:35:52 -0000      1.108
> +++ cam/scsi/scsi_da.c        30 Sep 2002 06:13:35 -0000
> @@ -1249,6 +1249,7 @@
>               start_ccb->ccb_h.ccb_bp = NULL;
>               start_ccb->ccb_h.ccb_state = DA_CCB_PROBE;
>               xpt_action(start_ccb);
> +             /* XXX missing free(rcap, M_TEMP) ?? */
>               break;
>       }
>       }

Thanks for working on cleaning things up.  The SCSI ones are wrong.  The
rcap is attached to csio->data_ptr and is unconditionally freed in the
completion routine, cddone() (see the CD_CCB_PROBE case there).

-Nate


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