IB/ehca: Release mutex in error path of alloc_small_queue_page()
commit1a867c33bb65f2921351a9bdd98548bb96f0ff8c
authorJulia Lawall <julia@diku.dk>
Tue, 22 Jul 2008 21:18:10 +0000 (22 14:18 -0700)
committerRoland Dreier <rolandd@cisco.com>
Tue, 22 Jul 2008 21:18:10 +0000 (22 14:18 -0700)
tree9daeb99a600105643d737be1b22bb916e3e6c5b0
parent593e4d4a05c8263a6dbd5452c21d47c5bdadd40c
IB/ehca: Release mutex in error path of alloc_small_queue_page()

The pd->lock mutex is released on a successful return, so it should be
released on an error return as well.

The semantic patch that makes this change is as follows:
(http://www.emn.fr/x-info/coccinelle/)

// <smpl>
@@
expression l;
@@

mutex_lock(l);
... when != mutex_unlock(l)
    when any
    when strict
(
if (...) { ... when != mutex_unlock(l)
+   mutex_unlock(l);
    return ...;
}
|
mutex_unlock(l);
)
// </smpl>

Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
drivers/infiniband/hw/ehca/ipz_pt_fn.c