[PATCH 10/23] mv_xor: fix race in tasklet function

From: Willy Tarreau
Date: Sun Feb 06 2011 - 18:45:33 EST


2.6.27.58-stable review patch. If anyone has any objections, please let us know.

------------------

From: Saeed Bishara <saeed@xxxxxxxxxxx>

commit 8333f65ef094e47020cd01452b4637e7daf5a77f upstream.

use mv_xor_slot_cleanup() instead of __mv_xor_slot_cleanup() as the former function
aquires the spin lock that needed to protect the drivers data.

Signed-off-by: Saeed Bishara <saeed@xxxxxxxxxxx>
Signed-off-by: Dan Williams <dan.j.williams@xxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxx>
Signed-off-by: Willy Tarreau <w@xxxxxx>

---
drivers/dma/mv_xor.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

Index: longterm-2.6.27/drivers/dma/mv_xor.c
===================================================================
--- longterm-2.6.27.orig/drivers/dma/mv_xor.c 2011-01-29 11:22:46.657065036 +0100
+++ longterm-2.6.27/drivers/dma/mv_xor.c 2011-01-29 11:27:15.509064355 +0100
@@ -449,7 +449,7 @@
static void mv_xor_tasklet(unsigned long data)
{
struct mv_xor_chan *chan = (struct mv_xor_chan *) data;
- __mv_xor_slot_cleanup(chan);
+ mv_xor_slot_cleanup(chan);
}

static struct mv_xor_desc_slot *


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