[PATCH] kNFSd: get_int and get_expiry to help in parsing.

include/linux/sunrpc/cache.h

@@ -275,4 +275,28 @@ extern void add_word(char **bpp, int *lp, char *str);
 extern void add_hex(char **bpp, int *lp, char *buf, int blen);
 extern int get_word(char **bpp, char *dest, int bufsize);
 
+static inline int get_int(char **bpp, int *anint)
+{
+	char buf[50];
+	char *ep;
+	int rv;
+	int len = get_word(bpp, buf, 50);
+	if (len < 0) return -EINVAL;
+	if (len ==0) return -ENOENT;
+	rv = simple_strtol(buf, &ep, 0);
+	if (*ep) return -EINVAL;
+	*anint = rv;
+	return 0;
+}
+
+static inline time_t get_expiry(char **bpp)
+{
+	int rv;
+	if (get_int(bpp, &rv))
+		return 0;
+	if (rv < 0)
+		return 0;
+	return rv;
+}
+
 #endif /*  _LINUX_SUNRPC_CACHE_H_ */