[PATCH 07/13] lib/test_printf.c: don't BUG

[Rasmus Villemoes]

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.

Cc: Kees Cook <keescook@xxxxxxxxxxxx>
Signed-off-by: Rasmus Villemoes <linux@xxxxxxxxxxxxxxxxxx>
---
 lib/test_printf.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

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);
 
-- 
2.6.1

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