From: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Date: Sat, 16 Jan 2016 00:58:50 +0000 (-0800)
Subject: lib/test_printf.c: don't BUG
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=fd0515d50ff33865d0f8cdd74510e8bd1aee88ac;p=linux-beck.git

lib/test_printf.c: don't BUG

BUG is a completely unnecessarily big hammer, and we're more likely to
get the internal bug reported if we just pr_err() and ensure the test
suite fails.

Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Acked-by: Kees Cook <keescook@chromium.org>
Cc: Al Viro <viro@ZenIV.linux.org.uk>
Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Joe Perches <joe@perches.com>
Cc: Maurizio Lombardi <mlombard@redhat.com>
Cc: Tejun Heo <tj@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

diff --git a/lib/test_printf.c b/lib/test_printf.c
index c5a666af9ba5..9232a2add28c 100644
--- a/lib/test_printf.c
+++ b/lib/test_printf.c
@@ -91,7 +91,12 @@ __test(const char *expect, int elen, const char *fmt, ...)
 	int rand;
 	char *p;
 
-	BUG_ON(elen >= BUF_SIZE);
+	if (elen >= BUF_SIZE) {
+		pr_err("error in test suite: expected output length %d too long. Format was '%s'.\n",
+		       elen, fmt);
+		failed_tests++;
+		return;
+	}
 
 	va_start(ap, fmt);