+++ /dev/null
-From foo@baz Sat Jul 28 10:14:30 CEST 2018
-From: Thierry Escande <thierry.escande@linaro.org>
-Date: Thu, 14 Jun 2018 15:28:15 -0700
-Subject: lib/test_printf.c: call wait_for_random_bytes() before plain %p tests
-
-From: Thierry Escande <thierry.escande@linaro.org>
-
-[ Upstream commit ee410f15b1418f2f4428e79980674c979081bcb7 ]
-
-If the test_printf module is loaded before the crng is initialized, the
-plain 'p' tests will fail because the printed address will not be hashed
-and the buffer will contain '(ptrval)' instead.
-
-This patch adds a call to wait_for_random_bytes() before plain 'p' tests
-to make sure the crng is initialized.
-
-Link: http://lkml.kernel.org/r/20180604113708.11554-1-thierry.escande@linaro.org
-Signed-off-by: Thierry Escande <thierry.escande@linaro.org>
-Acked-by: Tobin C. Harding <me@tobin.cc>
-Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
-Cc: David Miller <davem@davemloft.net>
-Cc: Rasmus Villemoes <linux@rasmusvillemoes.dk>
-Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
-Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
-Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
-Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
----
- lib/test_printf.c | 7 +++++++
- 1 file changed, 7 insertions(+)
-
---- a/lib/test_printf.c
-+++ b/lib/test_printf.c
-@@ -260,6 +260,13 @@ plain(void)
- {
- int err;
-
-+ /*
-+ * Make sure crng is ready. Otherwise we get "(ptrval)" instead
-+ * of a hashed address when printing '%p' in plain_hash() and
-+ * plain_format().
-+ */
-+ wait_for_random_bytes();
-+
- err = plain_hash();
- if (err) {
- pr_warn("plain 'p' does not appear to be hashed\n");
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