linux-fsdevel.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
* [PATCH] aio: dprintks in aio_read_evt were referencing aio_ring after kunmap_atomic
@ 2013-04-25 10:02 Zhao Hongjiang
  0 siblings, 0 replies; only message in thread
From: Zhao Hongjiang @ 2013-04-25 10:02 UTC (permalink / raw)
  To: viro; +Cc: bcrl, linux-fsdevel, linux-aio, linux-kernel


Signed-off-by: Zhao Hongjiang <zhaohongjiang@huawei.com>
Cc: stable@vger.kernel.org
---

linux-next use pr_debug instead of dprintk, and fix the issue.

---
 fs/aio.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/fs/aio.c b/fs/aio.c
index 3f941f2..1dc8786 100644
--- a/fs/aio.c
+++ b/fs/aio.c
@@ -1029,9 +1029,9 @@ static int aio_read_evt(struct kioctx *ioctx, struct io_event *ent)
 	spin_unlock(&info->ring_lock);
 
 out:
-	kunmap_atomic(ring);
 	dprintk("leaving aio_read_evt: %d  h%lu t%lu\n", ret,
 		 (unsigned long)ring->head, (unsigned long)ring->tail);
+	kunmap_atomic(ring);
 	return ret;
 }
 
-- 
1.7.1

--
To unsubscribe, send a message with 'unsubscribe linux-aio' in
the body to majordomo@kvack.org.  For more info on Linux AIO,
see: http://www.kvack.org/aio/
Don't email: <a href=mailto:"aart@kvack.org">aart@kvack.org</a>

^ permalink raw reply related	[flat|nested] only message in thread

only message in thread, other threads:[~2013-04-25 10:02 UTC | newest]

Thread overview: (only message) (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2013-04-25 10:02 [PATCH] aio: dprintks in aio_read_evt were referencing aio_ring after kunmap_atomic Zhao Hongjiang

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).