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staging/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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
NeilBrown 2014-07-18 15:39:19 +10:00 committed by Greg Kroah-Hartman
parent c11da2df83
commit b1beb91b0e
1 changed files with 1 additions and 1 deletions
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2
drivers/staging/lustre/lustre/llite/lproc_llite.c
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@ -910,7 +910,7 @@ 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 ==