Messages in this thread Patch in this message | | | Date | Fri, 18 Jul 2014 15:39:19 +1000 | From | NeilBrown <> | Subject | [PATCH] stating/lustre: fix misuse of current->parent. |
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current->parent is used by ptrace to redirect some signal delivery to the ptracer. It should only be used by 'ptrace' or 'signal' code. All other users should use current->real_parent, which is the real parent.
Signed-off-by: NeilBrown <neilb@suse.de>
diff --git a/drivers/staging/lustre/lustre/llite/lproc_llite.c b/drivers/staging/lustre/lustre/llite/lproc_llite.c index 77ee9e58cf87..5c5d2d6470f1 100644 --- a/drivers/staging/lustre/lustre/llite/lproc_llite.c +++ b/drivers/staging/lustre/lustre/llite/lproc_llite.c @@ -909,7 +909,7 @@ void ll_stats_ops_tally(struct ll_sb_info *sbi, int op, int count) sbi->ll_stats_track_id == current->pid) lprocfs_counter_add(sbi->ll_stats, op, count); else if (sbi->ll_stats_track_type == STATS_TRACK_PPID && - sbi->ll_stats_track_id == current->parent->pid) + sbi->ll_stats_track_id == current->real_parent->pid) lprocfs_counter_add(sbi->ll_stats, op, count); else if (sbi->ll_stats_track_type == STATS_TRACK_GID && sbi->ll_stats_track_id ==[unhandled content-type:application/pgp-signature]
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