vsprintf: use WARN_ON_ONCE (2f30b1f9) · Commits · 戴 / test

Signed-off-by:

lib/vsprintf.c

+2 −12

Original line number	Diff line number	Diff line
		@@ -1092,13 +1092,8 @@ int vsnprintf(char buf, size_t size, const char fmt, va_list args)

		/* Reject out-of-range values early. Large positive sizes are
		used for unknown buffer sizes. */
		if (unlikely((int) size < 0)) {
		/* There can be only one.. */
		static char warn = 1;
		WARN_ON(warn);
		warn = 0;
		if (WARN_ON_ONCE((int) size < 0))
		return 0;
		}

		str = buf;
		end = buf + size;
		@@ -1544,13 +1539,8 @@ int bstr_printf(char buf, size_t size, const char fmt, const u32 *bin_buf)

		struct printf_spec spec = {0};

		if (unlikely((int) size < 0)) {
		/* There can be only one.. */
		static char warn = 1;
		WARN_ON(warn);
		warn = 0;
		if (WARN_ON_ONCE((int) size < 0))
		return 0;
		}

		str = buf;
		end = buf + size;