IB/mlx5: Fix NULL deference on mlx5_ib_update_xlt failure

Browse source

mlx5_ib_reg_user_mr called mlx5_ib_dereg_mr in case of MR population
failure. This resulted in a NULL dereference as ibmr->device wasn't
initialized yet.

We address this by adding an internal dereg_mr function that can handle
partially initialized MRs, and fixing clean_mr to work on partially
initialized MRs.

Fixes: ff740aefec ("IB/mlx5: Decouple MR allocation and population flows")
Signed-off-by: Ilya Lesokhin <ilyal@mellanox.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Doug Ledford <dledford@redhat.com>

...

This commit is contained in:

Ilya Lesokhin 2017-09-24 21:46:35 +03:00 • committed by Doug Ledford

parent d67bc5d4e3

commit fbcd49838d

1 changed files with 17 additions and 10 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

27

drivers/infiniband/hw/mlx5/mr.c

View file