diff options
Diffstat (limited to 'fs/nfs/callback.c')
| -rw-r--r-- | fs/nfs/callback.c | 26 |
1 files changed, 17 insertions, 9 deletions
diff --git a/fs/nfs/callback.c b/fs/nfs/callback.c index 7f604c7941fb..293fa0528a6e 100644 --- a/fs/nfs/callback.c +++ b/fs/nfs/callback.c @@ -43,21 +43,29 @@ static struct svc_program nfs4_callback_program; unsigned int nfs_callback_set_tcpport; unsigned short nfs_callback_tcpport; unsigned short nfs_callback_tcpport6; -static const int nfs_set_port_min = 0; -static const int nfs_set_port_max = 65535; +#define NFS_CALLBACK_MAXPORTNR (65535U) -static int param_set_port(const char *val, struct kernel_param *kp) +static int param_set_portnr(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) + unsigned long num; + int ret; + + if (!val) + return -EINVAL; + ret = strict_strtoul(val, 0, &num); + if (ret == -EINVAL || num > NFS_CALLBACK_MAXPORTNR) return -EINVAL; - *((int *)kp->arg) = num; + *((unsigned int *)kp->arg) = num; return 0; } -module_param_call(callback_tcpport, param_set_port, param_get_int, - &nfs_callback_set_tcpport, 0644); +static int param_get_portnr(char *buffer, struct kernel_param *kp) +{ + return param_get_uint(buffer, kp); +} +#define param_check_portnr(name, p) __param_check(name, p, unsigned int); + +module_param_named(callback_tcpport, nfs_callback_set_tcpport, portnr, 0644); /* * This is the NFSv4 callback kernel thread. |