diff options
| author | Parav Pandit <parav@mellanox.com> | 2019-07-23 09:57:24 +0300 |
|---|---|---|
| committer | Jason Gunthorpe <jgg@mellanox.com> | 2019-07-25 12:07:14 -0300 |
| commit | 56594ae1d250f839945cda89d0138eece46dd607 (patch) | |
| tree | 54f812559bc43ae22cdef3e4ae25aa7dd4df49ca /drivers/infiniband/core/cma_configfs.c | |
| parent | a511f82218fb14b3d6fbbce3c35759aa4920a734 (diff) | |
RDMA/core: Annotate destroy of mutex to ensure that it is released as unlocked
While compiled with CONFIG_DEBUG_MUTEXES, the kernel ensures that mutex is
not held during destroy. Hence add mutex_destroy() for mutexes used in
RDMA modules.
Link: https://lore.kernel.org/r/20190723065733.4899-2-leon@kernel.org
Signed-off-by: Parav Pandit <parav@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Reviewed-by: Jason Gunthorpe <jgg@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Diffstat (limited to 'drivers/infiniband/core/cma_configfs.c')
| -rw-r--r-- | drivers/infiniband/core/cma_configfs.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/infiniband/core/cma_configfs.c b/drivers/infiniband/core/cma_configfs.c index 3ec2c415bb70..8b0b5ae22e4c 100644 --- a/drivers/infiniband/core/cma_configfs.c +++ b/drivers/infiniband/core/cma_configfs.c @@ -342,12 +342,18 @@ static struct configfs_subsystem cma_subsys = { int __init cma_configfs_init(void) { + int ret; + config_group_init(&cma_subsys.su_group); mutex_init(&cma_subsys.su_mutex); - return configfs_register_subsystem(&cma_subsys); + ret = configfs_register_subsystem(&cma_subsys); + if (ret) + mutex_destroy(&cma_subsys.su_mutex); + return ret; } void __exit cma_configfs_exit(void) { configfs_unregister_subsystem(&cma_subsys); + mutex_destroy(&cma_subsys.su_mutex); } |