lib/vsprintf.c: fix interaction of kasprintf() and vsnprintf() when using %pV

[pandora-kernel.git] / lib / vsprintf.c

diff --git a/lib/vsprintf.c b/lib/vsprintf.c
index 1d659d7..c112056 100644 (file)
--- a/lib/vsprintf.c
+++ b/lib/vsprintf.c
@@ -898,7 +898,7 @@ char *pointer(const char *fmt, char *buf, char *end, void *ptr,
        case 'U':
                return uuid_string(buf, end, ptr, spec, fmt);
        case 'V':
-               return buf + vsnprintf(buf, end - buf,
+               return buf + vsnprintf(buf, end > buf ? end - buf : 0,
                                       ((struct va_format *)ptr)->fmt,
                                       *(((struct va_format *)ptr)->va));
        case 'K':