Commit dbab2d85 authored Feb 01, 2015 by Henri Doreau Committed by Greg Kroah-Hartman Feb 07, 2015

staging/lustre/obdclass: Proper swabbing of llog_rec_tail.



A variable-length structure preceeds llog_rec_tail within an llog
block. Thus cr_tail shouldn't be accessed directly as a structure
member but its actual location should be computed dynamically.

Signed-off-by: Henri Doreau <henri.doreau@cea.fr>
Reviewed-on: http://review.whamcloud.com/11937
Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-5631


Reviewed-by: jacques-Charles Lafoucriere <jacques-charles.lafoucriere@cea.fr>
Reviewed-by: Andreas Dilger <andreas.dilger@intel.com>
Signed-off-by: Oleg Drokin <oleg.drokin@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

parent 081fa9df

drivers/staging/lustre/lustre/obdclass/llog_swab.c

+4 −1

Original line number	Diff line number	Diff line
		@@ -168,7 +168,8 @@ void lustre_swab_llog_rec(struct llog_rec_hdr *rec)
		}
		case CHANGELOG_REC:
		{
		struct llog_changelog_rec cr = (struct llog_changelog_rec )rec;
		struct llog_changelog_rec *cr =
		(struct llog_changelog_rec *)rec;

		__swab16s(&cr->cr.cr_namelen);
		__swab16s(&cr->cr.cr_flags);
		@@ -188,6 +189,8 @@ void lustre_swab_llog_rec(struct llog_rec_hdr *rec)
		} else {
		tail = &cr->cr_tail;
		}
		tail = (struct llog_rec_tail )((char )tail +
		cr->cr.cr_namelen);
		break;
		}
		case CHANGELOG_USER_REC:

Admin message