diff options
| -rw-r--r-- | lib/vsprintf.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/lib/vsprintf.c b/lib/vsprintf.c index 53fe73a48adf..40d26a07a133 100644 --- a/lib/vsprintf.c +++ b/lib/vsprintf.c @@ -2906,13 +2906,15 @@ int vscnprintf(char *buf, size_t size, const char *fmt, va_list args) { int i; + if (unlikely(!size)) + return 0; + i = vsnprintf(buf, size, fmt, args); if (likely(i < size)) return i; - if (size != 0) - return size - 1; - return 0; + + return size - 1; } EXPORT_SYMBOL(vscnprintf); |