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authorVladimir Sokolovsky <vlad@mellanox.co.il>2008-11-05 10:56:52 -0800
committerRoland Dreier <rolandd@cisco.com>2008-11-05 10:56:52 -0800
commit7f3abf5c7c9a9febdd643b9d4005382144525475 (patch)
tree0d6d1e93d8289dd31727b991ef9fc0dbc379b378
parent7b0f5df4c88bac46fe749d36d905fc7ad0296587 (diff)
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IB/mlx4: Set umem field to NULL in mlx4_ib_alloc_fast_reg_mr()
Set mr->umem to NULL in mlx4_ib_alloc_fast_reg_mr(). Otherwise ib_dereg_mr() may invoke ib_umem_release() on a random pointer value and get an oops. Signed-off-by: Vladimir Sokolovsky <vlad@mellanox.co.il> Signed-off-by: Roland Dreier <rolandd@cisco.com>
-rw-r--r--drivers/infiniband/hw/mlx4/mr.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/mlx4/mr.c b/drivers/infiniband/hw/mlx4/mr.c
index 87f5c5a..8e4d26d 100644
--- a/drivers/infiniband/hw/mlx4/mr.c
+++ b/drivers/infiniband/hw/mlx4/mr.c
@@ -205,6 +205,7 @@ struct ib_mr *mlx4_ib_alloc_fast_reg_mr(struct ib_pd *pd,
goto err_mr;
mr->ibmr.rkey = mr->ibmr.lkey = mr->mmr.key;
+ mr->umem = NULL;
return &mr->ibmr;
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