linux-kernel - [RFC PATCH v2 1/9] iov_iter: Fix some checkpatch complaints in kunit tests

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Message-ID: <20230920130400.203330-2-dhowells@redhat.com>
Date:   Wed, 20 Sep 2023 14:03:52 +0100
From:   David Howells <dhowells@...hat.com>
To:     Jens Axboe <axboe@...nel.dk>
Cc:     David Howells <dhowells@...hat.com>,
        Al Viro <viro@...iv.linux.org.uk>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Christoph Hellwig <hch@....de>,
        Christian Brauner <christian@...uner.io>,
        David Laight <David.Laight@...LAB.COM>,
        Matthew Wilcox <willy@...radead.org>,
        Brendan Higgins <brendanhiggins@...gle.com>,
        David Gow <davidgow@...gle.com>, linux-fsdevel@...r.kernel.org,
        linux-block@...r.kernel.org, linux-mm@...ck.org,
        netdev@...r.kernel.org, linux-kselftest@...r.kernel.org,
        kunit-dev@...glegroups.com, linux-kernel@...r.kernel.org,
        Johannes Thumshirn <Johannes.Thumshirn@....com>,
        Christian Brauner <brauner@...nel.org>,
        David Hildenbrand <david@...hat.com>,
        John Hubbard <jhubbard@...dia.com>
Subject: [RFC PATCH v2 1/9] iov_iter: Fix some checkpatch complaints in kunit tests

Fix some checkpatch complaints in the new iov_iter kunit tests:

 (1) Some lines had eight spaces instead of a tab at the start.

 (2) Checkpatch doesn't like (void*)(unsigned long)0xnnnnnULL, so switch to
     using POISON_POINTER_DELTA plus an offset instead.

Reported-by: Johannes Thumshirn <Johannes.Thumshirn@....com>
Signed-off-by: David Howells <dhowells@...hat.com>
cc: Christoph Hellwig <hch@....de>
cc: Christian Brauner <brauner@...nel.org>
cc: Jens Axboe <axboe@...nel.dk>
cc: Al Viro <viro@...iv.linux.org.uk>
cc: David Hildenbrand <david@...hat.com>
cc: John Hubbard <jhubbard@...dia.com>
cc: Brendan Higgins <brendanhiggins@...gle.com>
cc: David Gow <davidgow@...gle.com>
cc: linux-kselftest@...r.kernel.org
cc: kunit-dev@...glegroups.com
cc: linux-mm@...ck.org
cc: linux-fsdevel@...r.kernel.org
---
 lib/kunit_iov_iter.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/lib/kunit_iov_iter.c b/lib/kunit_iov_iter.c
index 859b67c4d697..4a6c0efd33f5 100644
--- a/lib/kunit_iov_iter.c
+++ b/lib/kunit_iov_iter.c
@@ -53,7 +53,7 @@ static void *__init iov_kunit_create_buffer(struct kunit *test,
 	void *buffer;
 
 	pages = kunit_kcalloc(test, npages, sizeof(struct page *), GFP_KERNEL);
-        KUNIT_ASSERT_NOT_ERR_OR_NULL(test, pages);
+	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, pages);
 	*ppages = pages;
 
 	got = alloc_pages_bulk_array(GFP_KERNEL, npages, pages);
@@ -63,7 +63,7 @@ static void *__init iov_kunit_create_buffer(struct kunit *test,
 	}
 
 	buffer = vmap(pages, npages, VM_MAP | VM_MAP_PUT_PAGES, PAGE_KERNEL);
-        KUNIT_ASSERT_NOT_ERR_OR_NULL(test, buffer);
+	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, buffer);
 
 	kunit_add_action_or_reset(test, iov_kunit_unmap, buffer);
 	return buffer;
@@ -548,7 +548,7 @@ static void __init iov_kunit_extract_pages_kvec(struct kunit *test)
 		size_t offset0 = LONG_MAX;
 
 		for (i = 0; i < ARRAY_SIZE(pagelist); i++)
-			pagelist[i] = (void *)(unsigned long)0xaa55aa55aa55aa55ULL;
+			pagelist[i] = (void *)POISON_POINTER_DELTA + 0x5a;
 
 		len = iov_iter_extract_pages(&iter, &pages, 100 * 1024,
 					     ARRAY_SIZE(pagelist), 0, &offset0);
@@ -626,7 +626,7 @@ static void __init iov_kunit_extract_pages_bvec(struct kunit *test)
 		size_t offset0 = LONG_MAX;
 
 		for (i = 0; i < ARRAY_SIZE(pagelist); i++)
-			pagelist[i] = (void *)(unsigned long)0xaa55aa55aa55aa55ULL;
+			pagelist[i] = (void *)POISON_POINTER_DELTA + 0x5a;
 
 		len = iov_iter_extract_pages(&iter, &pages, 100 * 1024,
 					     ARRAY_SIZE(pagelist), 0, &offset0);
@@ -709,7 +709,7 @@ static void __init iov_kunit_extract_pages_xarray(struct kunit *test)
 			size_t offset0 = LONG_MAX;
 
 			for (i = 0; i < ARRAY_SIZE(pagelist); i++)
-				pagelist[i] = (void *)(unsigned long)0xaa55aa55aa55aa55ULL;
+				pagelist[i] = (void *)POISON_POINTER_DELTA + 0x5a;
 
 			len = iov_iter_extract_pages(&iter, &pages, 100 * 1024,
 						     ARRAY_SIZE(pagelist), 0, &offset0);