cxgb4: kfree mhp after the debug print

In function `c4iw_dealloc_mw`, variable mhp's value is printed after
freed, it is clearer to have the print before the kfree.

Otherwise racing threads could allocate another mhp with the same pointer
value and create confusing tracing.

Signed-off-by: Shaobo He <shaobo@cs.utah.edu>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>

diff --git a/drivers/infiniband/hw/cxgb4/mem.c b/drivers/infiniband/hw/cxgb4/mem.c
index 8d1ab82..5baa31a 100644 (file)
--- a/drivers/infiniband/hw/cxgb4/mem.c
+++ b/drivers/infiniband/hw/cxgb4/mem.c
@@ -678,8 +678,8 @@ int c4iw_dealloc_mw(struct ib_mw *mw)
                          mhp->wr_waitp);
        kfree_skb(mhp->dereg_skb);
        c4iw_put_wr_wait(mhp->wr_waitp);
-       kfree(mhp);
        pr_debug("ib_mw %p mmid 0x%x ptr %p\n", mw, mmid, mhp);
+       kfree(mhp);
        return 0;
 }