linux-kernel - [PATCH 2/8] lib: test_bitmap: add tests to trigger ERANGE case.

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Date:   Sun, 21 Feb 2021 03:08:21 -0500
From:   Paul Gortmaker <paul.gortmaker@...driver.com>
To:     linux-kernel@...r.kernel.org
Cc:     Li Zefan <lizefan@...wei.com>, Ingo Molnar <mingo@...nel.org>,
        Yury Norov <yury.norov@...il.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Josh Triplett <josh@...htriplett.org>,
        Peter Zijlstra <peterz@...radead.org>,
        "Paul E. McKenney" <paulmck@...nel.org>,
        Frederic Weisbecker <fweisbec@...il.com>,
        Rasmus Villemoes <linux@...musvillemoes.dk>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Paul Gortmaker <paul.gortmaker@...driver.com>
Subject: [PATCH 2/8] lib: test_bitmap: add tests to trigger ERANGE case.

Add tests that specify a valid range, but one that is outside the
width of the bitmap for which it is to be applied to.  These should
trigger an -ERANGE response from the code.

Cc: Yury Norov <yury.norov@...il.com>
Cc: Rasmus Villemoes <linux@...musvillemoes.dk>
Cc: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Signed-off-by: Paul Gortmaker <paul.gortmaker@...driver.com>
---
 lib/test_bitmap.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/lib/test_bitmap.c b/lib/test_bitmap.c
index 589f2a34ceba..172ffbfa83c4 100644
--- a/lib/test_bitmap.c
+++ b/lib/test_bitmap.c
@@ -338,6 +338,8 @@ static const struct test_bitmap_parselist parselist_tests[] __initconst = {
 	{-EINVAL, "-1",	NULL, 8, 0},
 	{-EINVAL, "-0",	NULL, 8, 0},
 	{-EINVAL, "10-1", NULL, 8, 0},
+	{-ERANGE, "8-8", NULL, 8, 0},
+	{-ERANGE, "0-31", NULL, 8, 0},
 	{-EINVAL, "0-31:", NULL, 32, 0},
 	{-EINVAL, "0-31:0", NULL, 32, 0},
 	{-EINVAL, "0-31:0/", NULL, 32, 0},
-- 
2.30.0