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authorJeff Moyer <jmoyer@redhat.com>2011-01-06 20:41:42 +0100
committerJens Axboe <jaxboe@fusionio.com>2011-01-07 08:43:55 +0100
commitb7908c1035af7652cd613991b54dbff9c8b6bd3a (patch)
tree91dc24bbb1299ba7f84e22bbaffd28950dd04713 /drivers/md
parent6c23a9681c0fe7fb7dd331b39dda11926f43746e (diff)
block: trace event block fix unassigned field
The "error" field in block_bio_complete is not assigned, leaving the memory area uninitialized (keeping garbage data). Pass an additional tracepoint argument to this event to initialize this field. Signed-off-by: Jeff Moyer <jmoyer@redhat.com> Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com> CC: Steven Rostedt <rostedt@goodmis.org> CC: Frederic Weisbecker <fweisbec@gmail.com> CC: Ingo Molnar <mingo@elte.hu> CC: Thomas Gleixner <tglx@linutronix.de> CC: Li Zefan <lizf@cn.fujitsu.com> CC: Alan.Brunelle@hp.com Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
Diffstat (limited to 'drivers/md')
-rw-r--r--drivers/md/dm.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/md/dm.c b/drivers/md/dm.c
index 0a2b5516bc2..f48a2f359ac 100644
--- a/drivers/md/dm.c
+++ b/drivers/md/dm.c
@@ -630,7 +630,7 @@ static void dec_pending(struct dm_io *io, int error)
queue_io(md, bio);
} else {
/* done with normal IO or empty flush */
- trace_block_bio_complete(md->queue, bio);
+ trace_block_bio_complete(md->queue, bio, io_error);
bio_endio(bio, io_error);
}
}