Merge branch 'nfs-for-2.6.32' of git://git.linux-nfs.org/projects/trondmy/nfs-2.6...

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

diff --git a/fs/nfsd/nfsctl.c b/fs/nfsd/nfsctl.c
index b51e7ae..b764d7d 100644 (file)
--- a/fs/nfsd/nfsctl.c
+++ b/fs/nfsd/nfsctl.c
@@ -25,7 +25,6 @@
 #include <linux/init.h>
 #include <linux/inet.h>
 #include <linux/string.h>
-#include <linux/smp_lock.h>
 #include <linux/ctype.h>
 
 #include <linux/nfs.h>
@@ -38,6 +37,7 @@
 #include <linux/nfsd/xdr.h>
 #include <linux/nfsd/syscall.h>
 #include <linux/lockd/lockd.h>
+#include <linux/sunrpc/clnt.h>
 
 #include <asm/uaccess.h>
 #include <net/ipv6.h>
@@ -491,22 +491,18 @@ static ssize_t write_getfd(struct file *file, char *buf, size_t size)
  *
  * Input:
  *                     buf:    '\n'-terminated C string containing a
- *                             presentation format IPv4 address
+ *                             presentation format IP address
  *                     size:   length of C string in @buf
  * Output:
  *     On success:     returns zero if all specified locks were released;
  *                     returns one if one or more locks were not released
  *     On error:       return code is negative errno value
- *
- * Note: Only AF_INET client addresses are passed in
  */
 static ssize_t write_unlock_ip(struct file *file, char *buf, size_t size)
 {
-       struct sockaddr_in sin = {
-               .sin_family     = AF_INET,
-       };
-       int b1, b2, b3, b4;
-       char c;
+       struct sockaddr_storage address;
+       struct sockaddr *sap = (struct sockaddr *)&address;
+       size_t salen = sizeof(address);
        char *fo_path;
 
        /* sanity check */
@@ -520,14 +516,10 @@ static ssize_t write_unlock_ip(struct file *file, char *buf, size_t size)
        if (qword_get(&buf, fo_path, size) < 0)
                return -EINVAL;
 
-       /* get ipv4 address */
-       if (sscanf(fo_path, "%u.%u.%u.%u%c", &b1, &b2, &b3, &b4, &c) != 4)
-               return -EINVAL;
-       if (b1 > 255 || b2 > 255 || b3 > 255 || b4 > 255)
+       if (rpc_pton(fo_path, size, sap, salen) == 0)
                return -EINVAL;
-       sin.sin_addr.s_addr = htonl((b1 << 24) | (b2 << 16) | (b3 << 8) | b4);
 
-       return nlmsvc_unlock_all_by_ip((struct sockaddr *)&sin);
+       return nlmsvc_unlock_all_by_ip(sap);
 }
 
 /**