diff options
| author |   Jason Gunthorpe <jgunthorpe@obsidianresearch.com> | 2017-08-14 14:57:39 -0600 |
|---|---|---|
| committer |   Doug Ledford <dledford@redhat.com> | 2017-08-22 17:04:22 -0400 |
| commit | e3bf14bdc17a8e917f337760cc7cacf3232d7dbc (patch) | |
| tree | d3cadc75b4c94b80f41118358053541e97f2ed86 /drivers/infiniband/core/netlink.c | |
| parent | rdma: Allow demand loading of NETLINK_RDMA (diff) | |
| download | linux-dev-e3bf14bdc17a8e917f337760cc7cacf3232d7dbc.tar.xz linux-dev-e3bf14bdc17a8e917f337760cc7cacf3232d7dbc.zip | |
rdma: Autoload netlink client modules
If a message comes in and we do not have the client in the table, then
try to load the module supplying that client using MODULE_ALIAS to find
it.
This duplicates the scheme seen in other netlink muxes (eg nfnetlink).
Signed-off-by: Jason Gunthorpe <jgunthorpe@obsidianresearch.com>
Reviewed-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'drivers/infiniband/core/netlink.c')
| -rw-r--r-- | drivers/infiniband/core/netlink.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/infiniband/core/netlink.c b/drivers/infiniband/core/netlink.c index f782697cf4d8..e685148dd3e6 100644 --- a/drivers/infiniband/core/netlink.c +++ b/drivers/infiniband/core/netlink.c @@ -84,6 +84,15 @@ static bool is_nl_valid(unsigned int type, unsigned int op) return false; cb_table = rdma_nl_types[type].cb_table; +#ifdef CONFIG_MODULES + if (!cb_table) { + mutex_unlock(&rdma_nl_mutex); + request_module("rdma-netlink-subsys-%d", type); + mutex_lock(&rdma_nl_mutex); + cb_table = rdma_nl_types[type].cb_table; + } +#endif + if (!cb_table || (!cb_table[op].dump && !cb_table[op].doit)) return false; return true; |