lockd: Pass "struct sockaddr *" to new failover-by-IP function

[linux-2.6] / fs / nfsd / nfsctl.c

diff --git a/fs/nfsd/nfsctl.c b/fs/nfsd/nfsctl.c
index 2c2eb8796c108479deb50d92e312338722e6351a..1955a2702e60a473cad46549d2e58298c5c767c7 100644 (file)
--- a/fs/nfsd/nfsctl.c
+++ b/fs/nfsd/nfsctl.c
@@ -310,9 +310,12 @@ static ssize_t write_getfd(struct file *file, char *buf, size_t size)
 
 static ssize_t failover_unlock_ip(struct file *file, char *buf, size_t size)
 {
-       __be32 server_ip;
-       char *fo_path, c;
+       struct sockaddr_in sin = {
+               .sin_family     = AF_INET,
+       };
        int b1, b2, b3, b4;
+       char c;
+       char *fo_path;
 
        /* sanity check */
        if (size == 0)
@@ -326,11 +329,13 @@ static ssize_t failover_unlock_ip(struct file *file, char *buf, size_t size)
                return -EINVAL;
 
        /* get ipv4 address */
-       if (sscanf(fo_path, "%u.%u.%u.%u%c", &b1, &b2, &b3, &b4, &c) != 4)
+       if (sscanf(fo_path, NIPQUAD_FMT "%c", &b1, &b2, &b3, &b4, &c) != 4)
+               return -EINVAL;
+       if (b1 > 255 || b2 > 255 || b3 > 255 || b4 > 255)
                return -EINVAL;
-       server_ip = htonl((((((b1<<8)|b2)<<8)|b3)<<8)|b4);
+       sin.sin_addr.s_addr = htonl((b1 << 24) | (b2 << 16) | (b3 << 8) | b4);
 
-       return nlmsvc_unlock_all_by_ip(server_ip);
+       return nlmsvc_unlock_all_by_ip((struct sockaddr *)&sin);
 }
 
 static ssize_t failover_unlock_fs(struct file *file, char *buf, size_t size)