mv_xor: fix race in tasklet function

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@marvell.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Willy Tarreau <w@1wt.eu>

diff --git a/drivers/dma/mv_xor.c b/drivers/dma/mv_xor.c
index 369612e59b15bb6c04a3b82d8152ce54ec859068..13136bc2a89688f6521dee35db7762d89771c4c4 100644 (file)
--- a/drivers/dma/mv_xor.c
+++ b/drivers/dma/mv_xor.c
@@ -449,7 +449,7 @@ mv_xor_slot_cleanup(struct mv_xor_chan *mv_chan)
 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 *