[openib-general] [PATCH][7/27] IB/mthca: clean up mthca_dereg_mr()

[Roland Dreier]

Signed-off-by: Michael S. Tsirkin <mst at mellanox.co.il>

It's cleaner to kfree mthca_mr, and not rely on the fact
that ib_mr is the first field in mthca_mr.

Signed-off-by: Michael S. Tsirkin <mst at mellanox.co.il>
Signed-off-by: Roland Dreier <roland at topspin.com>


--- linux-export.orig/drivers/infiniband/hw/mthca/mthca_provider.c	2005-04-01 12:38:21.926201103 -0800
+++ linux-export/drivers/infiniband/hw/mthca/mthca_provider.c	2005-04-01 12:38:22.630048317 -0800
@@ -568,8 +568,9 @@
 
 static int mthca_dereg_mr(struct ib_mr *mr)
 {
-	mthca_free_mr(to_mdev(mr->device), to_mmr(mr));
-	kfree(mr);
+	struct mthca_mr *mmr = to_mmr(mr);
+	mthca_free_mr(to_mdev(mr->device), mmr);
+	kfree(mmr);
 	return 0;
 }