From: Henri Doreau <henri.dor...@cea.fr> 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.dor...@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.lafoucri...@cea.fr> Reviewed-by: Andreas Dilger <andreas.dil...@intel.com> Signed-off-by: Oleg Drokin <oleg.dro...@intel.com> --- drivers/staging/lustre/lustre/obdclass/llog_swab.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/staging/lustre/lustre/obdclass/llog_swab.c b/drivers/staging/lustre/lustre/obdclass/llog_swab.c index d3ec90e..a2d5aa1 100644 --- a/drivers/staging/lustre/lustre/obdclass/llog_swab.c +++ b/drivers/staging/lustre/lustre/obdclass/llog_swab.c @@ -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: -- 2.1.0 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
