diff options
Diffstat (limited to 'fs/nfs/callback.c')
| -rw-r--r-- | fs/nfs/callback.c | 31 |
1 files changed, 22 insertions, 9 deletions
diff --git a/fs/nfs/callback.c b/fs/nfs/callback.c index fe0a6b8ac149..a3ee11364db0 100644 --- a/fs/nfs/callback.c +++ b/fs/nfs/callback.c @@ -19,6 +19,7 @@ #include "nfs4_fs.h" #include "callback.h" +#include "internal.h" #define NFSDBG_FACILITY NFSDBG_CALLBACK @@ -36,6 +37,21 @@ static struct svc_program nfs4_callback_program; unsigned int nfs_callback_set_tcpport; unsigned short nfs_callback_tcpport; +static const int nfs_set_port_min = 0; +static const int nfs_set_port_max = 65535; + +static int param_set_port(const char *val, struct kernel_param *kp) +{ + char *endp; + int num = simple_strtol(val, &endp, 0); + if (endp == val || *endp || num < nfs_set_port_min || num > nfs_set_port_max) + return -EINVAL; + *((int *)kp->arg) = num; + return 0; +} + +module_param_call(callback_tcpport, param_set_port, param_get_int, + &nfs_callback_set_tcpport, 0644); /* * This is the callback kernel thread. @@ -134,10 +150,8 @@ out_err: /* * Kill the server process if it is not already up. */ -int nfs_callback_down(void) +void nfs_callback_down(void) { - int ret = 0; - lock_kernel(); mutex_lock(&nfs_callback_mutex); nfs_callback_info.users--; @@ -149,20 +163,19 @@ int nfs_callback_down(void) } while (wait_for_completion_timeout(&nfs_callback_info.stopped, 5*HZ) == 0); mutex_unlock(&nfs_callback_mutex); unlock_kernel(); - return ret; } static int nfs_callback_authenticate(struct svc_rqst *rqstp) { - struct in_addr *addr = &rqstp->rq_addr.sin_addr; - struct nfs4_client *clp; + struct sockaddr_in *addr = &rqstp->rq_addr; + struct nfs_client *clp; /* Don't talk to strangers */ - clp = nfs4_find_client(addr); + clp = nfs_find_client(addr, 4); if (clp == NULL) return SVC_DROP; - dprintk("%s: %u.%u.%u.%u NFSv4 callback!\n", __FUNCTION__, NIPQUAD(addr)); - nfs4_put_client(clp); + dprintk("%s: %u.%u.%u.%u NFSv4 callback!\n", __FUNCTION__, NIPQUAD(addr->sin_addr)); + nfs_put_client(clp); switch (rqstp->rq_authop->flavour) { case RPC_AUTH_NULL: if (rqstp->rq_proc != CB_NULL) |