tomoyo: use vsnprintf() properly

[tomoyo/tomoyo-test1.git] / security / tomoyo / common.c

diff --git a/security/tomoyo/common.c b/security/tomoyo/common.c
index ff17abc..f4cd9b5 100644 (file)
--- a/security/tomoyo/common.c
+++ b/security/tomoyo/common.c
@@ -2057,7 +2057,7 @@ int tomoyo_supervisor(struct tomoyo_request_info *r, const char *fmt, ...)
        bool quota_exceeded = false;
 
        va_start(args, fmt);
-       len = vsnprintf((char *) &len, 1, fmt, args) + 1;
+       len = vsnprintf(NULL, 0, fmt, args) + 1;
        va_end(args);
        /* Write /sys/kernel/security/tomoyo/audit. */
        va_start(args, fmt);