commit 85b5aaa624aac568b8a3a88dbe4de6628c7cc527
author Dan Carpenter <error27@gmail.com> Mon Oct 11 21:15:11 2010 +0200
committer Sage Weil <sage@newdream.net> Wed Oct 20 15:38:25 2010 -0700
tree 7051c9532750eb81fb76e1473a09fd82ba1f314c
parent b8d0638a98aa4a42ff322234b882487cd74e5c52

rbd: passing wrong variable to bvec_kunmap_irq()

We should be passing "buf" here insead of "bv".  This is tricky because
it's not the same as kmap() and kunmap().  GCC does warn about it if you
compile on i386 with CONFIG_HIGHMEM.

Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Sage Weil <sage@newdream.net>

drivers/block/rbd.c

diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c
index 52f9420..6ec9d53 100644
--- a/drivers/block/rbd.c
+++ b/drivers/block/rbd.c
@@ -554,7 +554,7 @@
 				buf = bvec_kmap_irq(bv, &flags);
 				memset(buf + remainder, 0,
 				       bv->bv_len - remainder);
-				bvec_kunmap_irq(bv, &flags);
+				bvec_kunmap_irq(buf, &flags);
 			}
 			pos += bv->bv_len;
 		}