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authorOlaf Kirch <okir@suse.de>2006-03-20 13:44:08 -0500
committerTrond Myklebust <Trond.Myklebust@netapp.com>2006-03-20 13:44:08 -0500
commitf344f6df4b2baa3e5c553c461735dfaf92f44be7 (patch)
treebf8acb09763c5f5f87d8c23047b8ecbb826dd385 /net
parentfb374d24f225f38f13dbffb65dd7ec72daf08dba (diff)
downloadop-kernel-dev-f344f6df4b2baa3e5c553c461735dfaf92f44be7.zip
op-kernel-dev-f344f6df4b2baa3e5c553c461735dfaf92f44be7.tar.gz
SUNRPC: Auto-load RPC authentication kernel modules
This patch adds a request_module call to rpcauth_create which will try to auto-load the kernel module for the requested authentication flavor. For kernels with modular sunrpc, this reduces the admin overhead for the user. Signed-off-by: Olaf Kirch <okir@suse.de> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'net')
-rw-r--r--net/sunrpc/auth.c16
1 files changed, 14 insertions, 2 deletions
diff --git a/net/sunrpc/auth.c b/net/sunrpc/auth.c
index 8d6f1a1..55163af 100644
--- a/net/sunrpc/auth.c
+++ b/net/sunrpc/auth.c
@@ -64,14 +64,26 @@ rpcauth_create(rpc_authflavor_t pseudoflavor, struct rpc_clnt *clnt)
struct rpc_authops *ops;
u32 flavor = pseudoflavor_to_flavor(pseudoflavor);
- if (flavor >= RPC_AUTH_MAXFLAVOR || !(ops = auth_flavors[flavor]))
- return ERR_PTR(-EINVAL);
+ auth = ERR_PTR(-EINVAL);
+ if (flavor >= RPC_AUTH_MAXFLAVOR)
+ goto out;
+
+ /* FIXME - auth_flavors[] really needs an rw lock,
+ * and module refcounting. */
+#ifdef CONFIG_KMOD
+ if ((ops = auth_flavors[flavor]) == NULL)
+ request_module("rpc-auth-%u", flavor);
+#endif
+ if ((ops = auth_flavors[flavor]) == NULL)
+ goto out;
auth = ops->create(clnt, pseudoflavor);
if (IS_ERR(auth))
return auth;
if (clnt->cl_auth)
rpcauth_destroy(clnt->cl_auth);
clnt->cl_auth = auth;
+
+out:
return auth;
}
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